, and the problem will be worked out.
#66110
A
If you have a bit more effort
B
Having a little effort
C
A bit more effort
D
There being a little effort
推荐题目
—I’m leaving now.— ______ you turn off the lights.
#59488
A
To make sure
B
Make sure
C
Made sure
D
Making sure
______ left when you get to the end of the street. 
#66195
A
Keep
B
Keeping
C
To keep
D
Kept
Let’s   football in the street.
#66229
A
not to play
B
not play
C
don’t play
D
not playing