Sorry，we don’t allow ________ in the lecture room.
#48947
A
to smoke
B
smoke
C
smoking
D
to smoking
推荐题目
—Why did you plant so many trees? — ______ the environment.
#49943
A
Improve
B
To Improve
C
Improved
D
Improving
----What do you think of the pop music?------ to the pop music is good way to relax.
#48450
A
Listen
B
Listens
C
Listening
D
Listened
–Do you have some trouble ____ the problem? Do you need some help?--No, thank you. I can make it myself.
#50320
A
solve
B
solving
C
to solve
D
solved