问题
选择题
I________to my cousin’s birthday party last night,but I was not available.
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答案
D
解析 考查虚拟语气。句意为:昨晚,我本该去参加我表弟的生日聚会,但我没有时间。would have done“本该做(但未做)”。
I________to my cousin’s birthday party last night,but I was not available.
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