_________, I think, and the problems would be settled.
#66166
A
If you double your efforts
B
Making more efforts
C
So long as you don’t lose heart
D
A bit more effort
推荐题目
— What should I do with this passage?—_____ the main idea of each paragraph.
#66294
A
Finding out
B
Found out
C
Find out
D
To find out
 ________ at the door before you enter my room, please.
#66075
A
Knock
B
Knocking
C
Knocked
D
To knock
Please          . The boy is studying.
#59398
A
not noisy
B
don’t noisy
C
not to be noisy
D
don’t be noisy
Cindy,       to be here at 8 o’clock.
#65919
A
is sure
B
is sure that
C
will be sure
D
be sure