Choose the best option (A, B, C or D) to complete each of the following questions. 5. The farmer ______________ in the field when he saw a UFO.     A. is working          B. was working           C. worked                   D. works 6. Scientists float in a space station because there’s no ______________.     A. technology         B. science                    C. gravity                    D. air 7. The world’s ______________ is growing more quickly every year. Our planet is becoming more and more crowded.     A. pollution             B. popularity               C. population              D. pollutant 8. A: What is the word that means 'very small'? B: I think it's '______________'.     A. huge                   B. strange                    C. tiny                         D. scary 9. The magician was standing on the stage, but then he suddenly ______________.     A. saw                     B. heard                      C. appeared                 D. disappeared 10. The UFO hovered ______________ our house for a few minutes then disappeared into the clouds.     A. above                  B. under                      C. inside                      D. on 11. Those aliens looked really scary. I was ______________ when I saw them!     A. delighted             B. terrified                  C. happy                      D. bored 12. I think she is sick. She ______________ to school tomorrow.     A. will go                B. won't go                  C. is going                   D. doesn't go

5. The farmer ______________ in the field when he saw a UFO.

    A. is working          B. was working           C. worked                   D. works

6. Scientists float in a space station because there’s no ______________.

    A. technology         B. science                    C. gravity                    D. air

7. The world’s ______________ is growing more quickly every year. Our planet is becoming more and more crowded.

    A. pollution             B. popularity               C. population              D. pollutant

8. A: What is the word that means 'very small'?

B: I think it's '______________'.

    A. huge                   B. strange                    C. tiny                         D. scary

9. The magician was standing on the stage, but then he suddenly ______________.

    A. saw                     B. heard                      C. appeared                 D. disappeared

10. The UFO hovered ______________ our house for a few minutes then disappeared into the clouds.

    A. above                  B. under                      C. inside                      D. on

11. Those aliens looked really scary. I was ______________ when I saw them!

    A. delighted             B. terrified                  C. happy                      D. bored

12. I think she is sick. She ______________ to school tomorrow.

    A. will go                B. won't go                  C. is going                   D. doesn't go