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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) <table class="zc_table" style="width: 100%;"><tbody><tr><td>
必须，不得不
must, need to, have had to,
have to, had to 1 1

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出自：2024年国家开放大学答案

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