They ______ more enthusiastic about their work since their teacher’s return.

admin2019-10-23  20

问题 They ______ more enthusiastic about their work since their teacher’s return.

选项 A、are
B、were
C、had been
D、have been

答案D

解析 由since引出的时间状语一般要用现在完成时,所以D正确。
转载请注明原文地址:https://jikaoti.com/ti/VbRGFFFM
本试题收录于: 英语题库成考专升本分类
0

最新回复(0)