We should wear special boots __________ us floating away into the space .
#48510
A
to prevent
B
preventing
C
prevent
D
prevented
推荐题目
In order _______ his English，he joined an English club.
#48846
A
improving
B
to improve
C
improves
D
improve
—Why did you start out so early yesterday morning?—_____ there on time.
#49357
A
Got
B
Getting
C
Get
D
To get
You’d better _______ too much meat. You are much too fat.
#49121
A
not eat
B
eat
C
not to eat
D
don’t eat
Maria is from France. She studies English by English movies.
#50963
A
watch
B
watched
C
to watch
D
watching