________ 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
--- Father, I’m going out for a play. ---- _________ be long!
#66252
A
Don’t
B
It won’t
C
Won’t
D
You didn’t
Let’s   football in the street.
#66229
A
not to play
B
not play
C
don’t play
D
not playing
Keep practicing and you _____ your English.
#66108
A
improve
B
will improve
C
improved
D
were improving
 If the green light isn’t on, ___________ a minute.
#59395
A
wait
B
waits
C
will wait
D
waiting