It is essential that all these figures ______ twice.

admin2011-03-26 59

问题 It is essential that all these figures ______ twice.

选项 A、must be checked
B、be checked
C、is checked
D、will be checked

答案B

解析这是一种虚拟语气。类似的还有“it is important, it is necessary”等。从句用should do的形式，should可以省略。

转载请注明原文地址:https://kaotiyun.com/show/lzqC777K

英语

相关试题推荐

随机试题

最新回复(0)