问题

It seemed to me that she was in doubt ________ Mahoney lived or died.[ ]
A:that
B:how
C:why
D:whether
B:how
C:why
D:whether
正确答案是:
同类题型
______ did you sleep last night? —Only five hours. I stayed up late to do my homework.
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as your family’s party— We didn’t plan like that, but it ____ very well