Sorry，we don’t allow ________ in the lecture room.
#48947
A
to smoke
B
smoke
C
smoking
D
to smoking
推荐题目
The little girl kept _____ the house, because she wanted to keep it _____.
#49109
A
cleaning; clean
B
cleaning; cleaning
C
clean; clean
D
clean; cleaning
What about to practice pronunciation？
#50761
A
reading loud
B
reading loudly
C
to read aloud
D
watch videos
In order _______ his English，he joined an English club.
#48846
A
improving
B
to improve
C
improves
D
improve