1.   You look really tired. You _________ take a few days off and have a holiday.       a. should                      b. must                        c. have to                     d. can 2.   In Vietnam, you _________ take a deep bow as you do in Japan.       a. mustn’t                    b. don’t have to           c. should                      d. shouldn’t 3.   Sorry, but my train is at 6.00. I _________ leave now.       a. shouldn’t                 b.ought to                    c.mustn’t                     d. have to 4.   You _________ look’ at other students’ work. It’s against the rules.       a. shouldn’t                 b.don’t have to            c. mustn’t                    d. can’t 5.   The airline only allows two pieces of luggage. You _________ pack too much!       a. shouldn’t                 b. mustn’t                    c. don’t have to           d. couldn’t 6.   John can’t come because he _________ work tomorrow.       a. should                      b.can                            c.must                          d. has to 7.   I know they enjoy their work, but they ______ work at the weekends.It’s not goodfor them.       a. shouldn’t                 b.don’t have to            c. mustn’t                    d. have to 8.   Elderly people _________ be treated with great respect       a. shouldn’t                 b. should                     c.aren’t obliged to       d. mustn’t 9.   He _________ use chopsticks for spring roll. It is finger food.       a. must                         b.has to                        c.doesn’t have to         d. should 10. Everyone _________ wear a helmet when riding a motorbike. It’s mandatory according to traffic law.       a.isn’t allowed to        b. must                        c. can                           d. shouldn’t 11 . ‘ We don’t sweep the floor on the first day of Tet.’ ‘_________ Why?’       a. What a bad day!      b. You’re kidding!      c. You’re right.            d. Spot on!            

1.   You look really tired. You _________ take a few days off and have a holiday.

      a. should                      b. must                        c. have to                     d. can

2.   In Vietnam, you _________ take a deep bow as you do in Japan.

      a. mustn’t                    b. don’t have to           c. should                      d. shouldn’t

3.   Sorry, but my train is at 6.00. I _________ leave now.

      a. shouldn’t                 b.ought to                    c.mustn’t                     d. have to

4.   You _________ look’ at other students’ work. It’s against the rules.

      a. shouldn’t                 b.don’t have to            c. mustn’t                    d. can’t

5.   The airline only allows two pieces of luggage. You _________ pack too much!

      a. shouldn’t                 b. mustn’t                    c. don’t have to           d. couldn’t

6.   John can’t come because he _________ work tomorrow.

      a. should                      b.can                            c.must                          d. has to

7.   I know they enjoy their work, but they ______ work at the weekends.It’s not good for them.

      a. shouldn’t                 b.don’t have to            c. mustn’t                    d. have to

8.   Elderly people _________ be treated with great respect

      a. shouldn’t                 b. should                     c.aren’t obliged to       d. mustn’t

9.   He _________ use chopsticks for spring roll. It is finger food.

      a. must                         b.has to                        c.doesn’t have to         d. should

<span lang="EN-US" times="" new="" roman";mso-ascii-theme-font:major-latin;mso-hansi-font-family:"times="" roman";="" mso-hansi-theme-font:major-latin;mso-bidi-font-family:"times="" mso-bidi-theme-font:major-latin"="" style="box-sizing: inherit; font-style: inherit; font-weight: inherit;">10. Everyone _________ wear a helmet when riding a motorbike. It’s mandatory according to traffic law.

      a.isn’t allowed to        b. must                        c. can                           d. shouldn’t

11. ‘We don’t sweep the floor on the first day of Tet.’ ‘_________ Why?’

      a. What a bad day!      b. You’re kidding!      c. You’re right.            d. Spot on!