Read and correct. 改错题。
【小题1】Jenny usually go home at 5:00 in the afternoon. （____）
A B    C
【小题2】Listen! Kate listensto music in the classroom. （____） 
A B   C

My grandmother is ____________eggs now. (    )

A．cook

B．cooks

C．cooking

用所给词的正确形式填空。
【小题1】We should stop _________ (throw) rubbish into rivers.
【小题2】In the past, the Earth _________ (be) clean and beautiful.
【小题3】My brother is __________ (plant) trees in the backyard.
【小题4】The Earth __________(get) sick now.
【小题5】We shouldn’t __________ (cut) down so many trees.

---Where is Linda? (    )
---______.

A．She is playing the piano.

B．She is there.

C．She is going to school.

Look and write:He is _______ _______ at home.