Fill the gaps with the correct modal verbs:
1. We read a long poem in the class yesterday. It was boring. I’m glad we____ learn it by heart.
a) won’t have to b) dont have to c)didnt have to d) mustnt
2. Once or twice we lost our way and ___ ask a policeman for direction.
a) must b) would have to c) had to d) have to
3. You __ use your energy unless you have to.
a) neednt b) mustnt c) havent d) shouldnt
4. That __ be Charlie. He said he would be here about now.
a) might b) may c) must d) can
5. You __ make a little less noise.
a) must b) might c) may d) have