Lots of the scientists in our country are working hard to ____the planet Mars .
#67257
A
cover
B
search
C
discover
D
explore
推荐题目
The band ________ in about 1970, but happily they reunited in the mid-1980s.
#68689
A
broke up
B
broke in
C
broke out
D
broke down
The film _________ a novel by Sinclair Lewis.
#68904
A
is based on
B
based on
C
basing on
D
base
Once he has _______, nothing can change his mind.
#66893
A
made up his mind
B
decided his mind
C
determined his mind
D
made his mind
_______from what he did,he isn’t a person to depend on. 
#67493
A
Judge
B
Judging
C
Judged
D
Judges