4 Complete the sentences using must, can't or may/might.
1 I'm sure he works hard.
He
2 I'm sure she doesn't know the address.
She
3 Perhaps he has an answer.
He
4 I'm sure they are here.
They
5
Fill in: may, could/couldn't, had to, would, should,
needn't to match the meaning in brackets.
1 you like to join our charity?
(Do you want to?)
2 You recycle.( It's a good idea to)
3 Matt
answer the exam
questions. (wasn't able to)
4 Lyn
come next year. (it's
possible)
5 You book tickets in advance.
(It isn't necessary)
6 When she was 4 years old, she
count to 100. (was able to)
7 They
close the beach
because of the oil spill. (were obliged to)