chọn đáp án thích hợp nhất : 1.Where are you today? A. I’m at home.                       B. I’m from Vietnam.            C. I’m ten years old. 2. How many students are there in Mai’s class? A. There are 30 students       B. There is a teacher           C. There are 30 students in his class 3. Can your mother speak English? A. Yes , I can.                        B. No , she can’t.                  C. No , he can’t 4. Would you like ……………….. orange juice ? A. some                                 B. an                                     C. a 5. When is your birthday? A. It’s in September.              B. It’s in September 2nd.     C. Your birthday’s in September.