He was very iii for a time, but he managed to ______.A、pull onB、pull inC、pull

游客2024-05-23  14

问题 He was very iii for a time, but he managed to ______.

选项 A、pull on
B、pull in
C、pull up
D、pull through

答案 D

解析 短语题。原句为,有一段时间他病得很重,但他还是渡过了难关。故pull through使克服困难,使渡过难关,是最恰当的选择。
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