下列句子的划线处均有一处错误，请找出来。
What
about
play
football?
You are writing, ________?
[ ]
从所给的四个选项中选择最佳答案
It's cold today, but he is ______ only a shirt．Please go and ask him to ______more clothes．
A．putting on; wear B．wearing; put on
C．wearing; wear D．putting away; wear
The old man is ________ TV.
[
A
C
We are sitting ______ a boat.
Li Lei is doing ________ homework.
Jim and Lily ________ throwing a frisby.
She is wearing ________ green trousers.
______ his kite.
The twins are doing _______ homework now.