题目内容
It seemed to me that she was in doubt ______Timmy lived or died.
| A.why | B.how | C.that | D.whether |
D
同位语从句,中心词为doubt连接词用whether; 如果中心词为no doubt连接词用that。 似乎她怀疑Timmy是否还活着。
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题目内容
| A.why | B.how | C.that | D.whether |