问题

He realized she was crying ________ his words
A:because
B:because of
C:as
D:since
B:because of
C:as
D:since
正确答案是:
同类题型
The students in our school go to school_____ Monday______ Friday.
The ______ on his face told me that he was angry.
Keep the machine _______, and you will know how it works.
The book ________ I bought yesterday is very interesting.
It has been raining for a day, but even though it hadn’t rained, we _____ there by tomorrow.