问题
What do you think of the report on the UFO? Great! Many students were interested in it and they kept on standing _____ the end of the meeting. [ ]
A: until
B: in
C: on
D:about
B: in
C: on
D:about
正确答案是：
同类题型
Mr Smith always goes for a walk with his dog when he is_________.
We have sweaters ________ all colors ________ ￥50 each. [ ]
He found ______ very helpful to memorize the words of some popular English songs.
I don’t like learning math. Because it’s not so _______ as English.
If you watch carefully, you can see_______________ the man does the trick.