I don’t know if /whether it is an interesting. (2) Does Cathy go to school early? Do you know? Do you know if /whether Cathy goes to school early? 注意:只能用whether而不用if的三种情况如下: ①与or not连用:They asked us whether or not we were coming...
21. A They themselves would like to do it but don't dare to. 22. C To relieve her feelings. 23. D Bringing a handgun into HongKong. 24. D He is suspected of having slipped something into Kumar's bag. 25. D Find Alfred Foster. 26. B They think trave...
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