题目内容
【题目】I ________ believe that she ________ there too.
A. could, wasn't B. couldn't, was C. couldn't, is D. could, isn't
【答案】B
【解析】句意：难以相信她也在那里。本句是宾语从句，当主句是一般过去时态时，从句为过去的某一时态。could是can的过去式；was是is的过去式。故选：B。
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题目内容
【题目】I ________ believe that she ________ there too.
A. could, wasn't B. couldn't, was C. couldn't, is D. could, isn't
【答案】B
【解析】句意：难以相信她也在那里。本句是宾语从句，当主句是一般过去时态时，从句为过去的某一时态。could是can的过去式；was是is的过去式。故选：B。