语法 > 初阶2

练习题

必须,不一定;必须,不允许 have to, don’t have to, must, mustn’t
1 I _____ leave early because I wasn't feeling well.
A.had to
B.must
C.have to
2 You _____ do something to solve this problem.
A.have to
B.'ve to
C.must
3 I don't like these clothes, but I _____ wear them at work.
A.must
B.'ve to
C.have to
4 Teacher: 'You _____ arrive on time for class.'
A.must
B.mustn't
C.have to
5 We didn't have money, so we _____ find a cash dispenser.
A.must
B.had to
C.have to
6 You ____ tell anyone; it's a secret.
A.don't have to
B.haven't to
C.mustn't
7 _____ pay for the car repair or did the insurance cover it?
A.Did you have to
B.Had you to
C.Did you must
8 We ______ leave now; it's 10 and the conference doesn't start until 12.
A.don't have to
B.haven't to
C.mustn't
9 We had an accident, but it was OK, we _____ go to the hospital.
A.didn't have to
B.hadn't to
C.didn't must
10 The doctor has put me on a strict diet. I _____ eat more fruit and vegetables and do more exercise.
A.must
B.have to
C.'ve to