In vain______ to get in touch with the authorities.A、they triedB、did they tryC

游客2023-11-23 35

问题 In vain______ to get in touch with the authorities.

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

答案 B

解析 in vain后面接倒装句。

转载请注明原文地址:http://tihaiku.com/zcyy/3211818.html

相关试题推荐

随机试题

最新回复(0)

Invain______togetintouchwiththeauthorities.A、theytriedB、didtheytryC