________ if you want to do something, or you won’t be able to do it well.
#66250
A
To try your best
B
Trying you best
C
Try your best
D
Unless you try your best
推荐题目
If the green light isn’t on, ________ a minute.
#59469
A
waiting
B
to wait
C
waited
D
wait
________ it is to go for a picnic on such a fine day!
#66012
A
What a fun
B
What fun
C
How fun
D
How a fun
______me tomorrow and Fll let you know the lab result.
#65883
A
Calling
B
Call
C
To call
D
Having called