In vain ______ to get in touch with the Embassy.

admin2010-01-15  21

问题 In vain ______ to get in touch with the Embassy.

选项 A、they tried
B、tried they
C、did they try
D、they have tried

答案C

解析 in vain作状语放在句首,句子采用部分倒装。
转载请注明原文地址:https://kaotiyun.com/show/oa6K777K
0

随机试题
最新回复(0)