问题

d to work deep into the night, ______shecouldn’t have spread the messages to all the relevant people successfully

A:saw
B:has seen
C:sees
D:had seen

正确答案是：

同类题型

The sign means　_________

MrZhang gave all textbooks to all the pupils, except___________ who had already taken tem

I ________ Jack. _________ you Dale-Yes.

on’t seem to be quite yourself todayWhat’s wrong—Oh, I’m suffering from a coldNothing serious ________

Here aresome new computer programs _____ for home buildings