单选题
Johnson() his meal when his friend Tim called him to eat out together.
A、
had finished
B、
has finished
C、
finished
D、
finishes
【正确答案】
A
【答案解析】
句意:当Johnson的朋友叫他一起出去吃饭时,他已经吃完饭了。空格后面时间状语从句中的谓语动词为过去时。根据句意,空格处应用过去完成时,故选A。
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