You should ask Bob ________ his own clothes. He is ten years old now. 答案(
A. wash
B. washes
C. washing
D. to wash
It’s sports time. Most ________ students in Class 1 are playing football on the playground.
A. boy
B. boys
C. boy’s
D. boys’
---Must we finish the work today? ---________. We have something else to do tomorrow. 答案(
A. Yes, we can
B. No, we can’t
C. Yes, we must
D. No, we needn’t
Students do less homework now. Usually it ________ before 9 o’clock in the evening. 答案(
A. finishes
B. finished
C. is finished
D. was finished