The instructor had gone (over) the problems (many times) (before) the students (

游客2025-03-16 54

问题 The instructor had gone (over) the problems (many times) (before) the students (will take) the final examination.

选项 A、over
B、many times
C、before
D、will take

答案 D

解析过去完成时和另一从句连用；先发生的事用过去完成时，后发生的事用一般过去时。改“will take”为“took”。

转载请注明原文地址:https://tihaiku.com/zcyy/3999833.html

相关试题推荐

随机试题

最新回复(0)

Theharderhe(tried),the(worst)he(danced)beforethe(large)audience.A、tri