________ to smile at your life when you are in trouble, and you will soon be happy again.
A. Try
B. To try
C. Trying
D. Tried
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--- Jack, don’t always copy what others do. ________ your head, please.--- Thanks for telling me.
A. Using
B. Used
C. Uses
D. Use
________ me the truth, or I'll be angry.
A. Telling
B. To tell
C. Told
D. Tell
________ me go. It is very important for me.
A. Let
B. Let do
C. Doing let
D. To do let
Please ________ look outside. Look at the blackboard.
A. not
B. don’t
C. aren’t
D. can’t