1.His parents are out .He is ------all by himself.A.alone Bat home Cenjoying himself.为什么选择C
2.He ofen has a good time------with his parents when he is free.为什么用chatting而不用 to chat.
3.The boat----a duck.为什么用isnot like不用isnot look like.
4.Mr White-----to his wife.为什么用said不用spoke.
5.A number of students----(play)softball.为什么?
6.The teacher asked us----A.to read as much as possible C.to read as many as possible为什么选A?