一、改错
It is time for us 【to】have 【an】 art lesson .
Don't listen 【to】music when your father is 【sleeping 】.
My mother often 【tells】 me not 【to】fight 【with】 my 【classmates】.
二、填空
It's 【snowing】hard.It will be sunny tomorrow morning.
三、选择 C.an engineer
四、翻译
( Is ) Beijing ( raining ) now?
Yes,( it ) ( is ).