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
As Jack left his membership card at home, he wasn't allowed_______ into the sports club.
#49422
A
going
B
to go
C
go
D
gone
That little boy doesn't feel like _____ out today, _______ her sister would like to go shopping.
#50379
A
going, and
B
to go, and
C
going, but
D
to go, but
