1..The box is too heavy.Can you do me a f_________?2.The nau

1..The box is too heavy.Can you do me a f_________?2.The naughty(淘气)boy is so c_____that he o
10.My pen is broken.So I use a pencil i______.
11.May I help you with the homework?
-It's very nice of you,but I think I can m______ it myself.
The naughty(淘气)boy is so c_____that he often forgets his schoolbag.