You can't imagine what great trouble they have the problem . [ ] A．to solve; bei
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You can't imagine what great trouble they have ________ the problem ________ .
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A．to solve; being talked about | B．solving; discussing |
C．to solve; to talk about | D．solving; being discussed |
试题答案
答案：B
解析：本题须用还原法来做．You can't imagine we have great trouble solving the problem being discussed.该题考查了短语have trouble (in) doing sth. 以及分词的被动形式作定语表示正在进行(讨论)． |