________ 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
—_______ listen to music in the classroom, Peter. —Sorry, I won’t, Mrs. Black.
#65892
A
Doesn’t
B
Don’t
C
Didn’t
D
Can’t
“___________that again!” father shouted to me when I was found playing with fire.
#66023
A
Never to do
B
Don’t never do
C
Do never
D
Never do
＿＿＿buy your ticket from a ticket machine. There are lots of people there.
#59472
A
Not
B
not too
C
Don’t
D
Don’t to