Helen________go to beijing last year.A.doesn't B.wasn't C.didn't

问题描述:

Helen________go to beijing last year.A.doesn't B.wasn't C.didn't

答案:C
解释:last year指“去年”,是过去时间,所以用一般过去时态,go是实义动词,其否定形式是在前面加助动词did.所以正确答案是C.
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