(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. ②在介词之后:It depends on whether it is going...
C. should have had arrived D. should be arriving 3) ––– Jack ___ taken to the hospital immediately. ––– ___, but all efforts made no difference. A. ought to have been; So he was B. ought to be; So he ought to C. ought to have been; So he did ...
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