Ken  in a hospital yesterday.

A．were

B．was

C．had

—Who___ they? (   )
—They are my grandparents.

A．were

B．was

C．are

I  from China.

A．is

B．am

C．are

找出错误并改正：What is these?__________

改错题(划出句子中的错误，并将正确句子写在下面横线上)
1．How is Jane yesterday?
________________________________
2．He go to school by bus last week.
________________________________
3．He goes home at 6:00 last month.
________________________________
4．Tom watch TV last night.
________________________________
5．Who find it just now?
__________________________________