_________, the experiment is sure to succeed.
#90652
A
If carefully doing
B
If carefully done
C
If it done carefully
D
If it doing carefully
推荐题目
---What can I help you, sir?--- I’d like to have this watch_______.
#93790
A
to be repaired
B
repair
C
repairing
D
repaired
The bell ______ the end of the period rang, ______ our heated discussion.
#91760
A
indicating; interrupting
B
indicated; interrupting
C
indicating; interrupted
D
indicated; interrupted
In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
#98488
A
it marked
B
marking
C
marked
D
to mark
___ black and blue, the boy began to fight against the boss.
#98667
A
Beating
B
Beaten
C
To be beaten
D
To beat
