It is doubtful______the work can be completed on time.A、ifB、whyC、thatD、whenA

游客2023-11-04 74

问题 It is doubtful______the work can be completed on time.

选项 A、if
B、why
C、that
D、when

答案 A

解析考查主语从句。难点在doubtful的用法。在肯定句中，doubtful之后的主语从句的引导词需使用连词whether或if.在否定句中，引导词需用that。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3157527.html

相关试题推荐

随机试题

最新回复(0)

Theyovercameallthedifficultiesandcompletedtheprojecttwomonthsaheadof