Chonj đáp án đúng
1. He (must/ had to) leave early, didn't he?
2 He was a good swimmer, so he (could/ can) swim to the river bank when the boat sank.
3 I'm sorry to bother you while you're working, but I (can/ must) ask you a question.
4. The sea was so rough that we couldn't/can't) swim.
5. I (can't/ don't have to) swim in this water; it is much too cold.
6. Bookings (need/ must) be made at least seven days before departure.
7 You (needn't/mustn't) go on the beach when the tide's coming in. It's very dangerous.
8 We've been told that we (don't have to/ mustn't) be at work until 10:00 tomorrow.
9 Of course, the first thing I did was to call the police and I (mustn't/ didn't have to) wait very long for them to get there.
1. He (must/ had to) leave early, didn't he?
2 He was a good swimmer, so he (could/ can) swim to the river bank when the boat sank.
3 I'm sorry to bother you while you're working, but I (can/ must) ask you a question.
4. The sea was so rough that we couldn't/can't) swim.
5. I (can't/ don't have to) swim in this water; it is much too cold.
6. Bookings (need/ must) be made at least seven days before departure.
7 You (needn't/mustn't) go on the beach when the tide's coming in. It's very dangerous.
8 We've been told that we (don't have to/ mustn't) be at work until 10:00 tomorrow.
9 Of course, the first thing I did was to call the police and I (mustn't/ didn't have to) wait very long for them to get there.