Mary decided not to work on the program at home because she didn’t want her parents to kno

发布时间:2020-08-17 01:55:28

Mary decided not to work on the program at home because she didn’t want her parents to know what she     .
A. has done
B. had done
C. was doing
D. is doing

网友回答

A. has done
B. had done
(答案→)C. was doing
D. is doing
解析:考查时态。句意:Mary决定不在家里做那个项目,因为她不想她的父母知道她正在做的事情。根据句子的decided说明本句的基本时态是过去时,根据句意说明是过去的那段时间正在做的事情,故使用过去进行时。故C正确。
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