She smiled happily，________ a set of amazing white teeth to us.
#90825
A
exposing
B
being exposed
C
exposed
D
to expose
推荐题目
I don’t think it easy, even if we work hard, ______ the South Korea and the North Korea to sit down to talk at present.
#90605
A
persuaded
B
to persuade
C
persuade
D
persuading
We forbid _____________here. Who permits you_____________？
#96341
A
smoking; smoking
B
smoking; to smoke
C
to smoke; to smoke
D
to smoke; smoking
(2013·北京东城区高三教学统一检测)According to the new law, the people found ________ “harmful” advertisements on the streets will be punished strictly.
#89292
A
put up
B
to put up
C
putting up
D
having put up
His conclusion, ______ on careful research, was acceptable.
#88843
A
to base
B
to be based
C
basing
D
based
---She’s feeling very sad over___ of school trip tomorrow. ---So would you if you fell ill on such an occasion.
#97250
A
leaving out
B
to be left out
C
to leave out
D
being left out