Choose the best form. (Sometimes both may be possible)
1 We __________ win, but I think there’s much chance.
2 I __________ ask you to help me later. (may, can)
3 That __________ be her daughter – they’re nearly the
same age. (can’t, mustn’t)
4 We __________ decide to go camping again at Easter.
5 There __________ be enough room for everybody on the
bus – we’ll have to wait and see. (may not, can’t)
6 You __________ get in without a ticket – not a chance.
(may not, can’t)
7 You absolutely __________ go and see Liz. (should,
8 I think you __________ try to relax more. (should,
9 You __________ pass a special exam to be a teacher.
(must, have to)
10 In this country, boys __________
do military service. (must not, don’t have to)
11 I __________ see you at eight tomorrow. (can, will be
12 One day, everybody __________ say what they like.
(can, will be able to)
13 When I was younger I __________ sing quite well.
(could, was able to)
14 At what age __________you get a driving licence? (can,
15 I promise I __________ smoking. (stop, will stop)
16 I don’t know why she’s not here. She __________ have
got my message. (may not, can’t)
17 He’s not answering the phone. He __________ have got
home yet. (may not, can’t)
18 When I was eighteen we __________ two years in the
army. (had to do, must have done)
19 See __________ very quietly – I didn’t hear her go.
(had to leave, must have left)