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
_______ a book in the library, enter a key word into the computer.
#50641
A
To find
B
Find
C
To write
D
Write
I prefer _________ some shopping to ________ camping since the weather isn’t lovely.
#50416
A
do ; going
B
doing ; go
C
do ; go
D
doing ; going
When shopping, keep your eyes ______for those energy-saving machines.
#49678
A
opened
B
open
C
to open
D
to be open