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
That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.
All the students are talking and laughing in the classroom and it’s _______.
Neither Jim’s cousins nor he himself ____to America , but _____ of the know the country very well.
1t is very important ______ us to get on well with others.[ ]