Drag the underlined phrases to the correct places in the table in Exercise 3.
1 They are supposed to be free. (para. D)
2 They are obliged to run around a specified area. (para. C)
3 Ordinary people can’t treat animals badly but scientists are permitted to. (para. D)
4 They were so important that UK citizens were forbidden to shoot them. (para. B)
5 The Navy is likely to start using other marine animals for this work.(para. A)
必须，不得不
must, need to, have had to,
have to, had to 1 1 |
（不）应该，建议
ought to, shouldn’t, should
2 2 |
不需要，没必要
doesn’t have to, don’t need to,
needn’t |
有（无）能力
can, could, were able to, have
been able to, couldn’t |
禁止，不准
mustn’t, couldn’t, can’t, 3 3 |
允许，可以
can, are allowed to, 4 4 |
有可能
might, can , 5 5 |
__4__(完形填空)
.are obliged to
.are supposed to
.were forbidden to
.are permitted to
.is likely to
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