问题
It is demanded that the letter ___by the end of this week , dad !—-I’ll do it immediately .
A:should mail
B:was mailed
C:mailed
D:be mailed
B:was mailed
C:mailed
D:be mailed
正确答案是：
同类题型
I hear people talk about “Wisdom of the printed page”. They wonder .
There’s only ten minutes to go. We can’t wait any more—- ______, we should start at once.
The number of the students in our school very big.–About 9 students.
Look at my new digital camera. I bought it ______ October 1, National Day. —Wow, how nice! [ ]