问题描述：
You --- tell him about that.
应该选 have not to 还是 don't have to 或是 musn't have to 是 can't have
We --- talk loudy when we see the sign on the right.
应该选 must 还是 musn't 或是 need 是needn't
What's the rule in the supermarket?
应该选 You can't talk with an old friend.还是 Don't eat a banana
或是 You can't listen to music.是 Don't take photos
There is --- from here.
应该选 walks 还是 ten minute's walk 或是 ten-minute's walk 是 ten-minute's walk
应该选 have not to 还是 don't have to 或是 musn't have to 是 can't have
We --- talk loudy when we see the sign on the right.
应该选 must 还是 musn't 或是 need 是needn't
What's the rule in the supermarket?
应该选 You can't talk with an old friend.还是 Don't eat a banana
或是 You can't listen to music.是 Don't take photos
There is --- from here.
应该选 walks 还是 ten minute's walk 或是 ten-minute's walk 是 ten-minute's walk
问题解答：
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