找出句子中错误的一处，并改正在横线上。
【小题1】How many student are there in your class? __________
【小题2】The teachers office is under our classroom. __________
【小题3】Do you have a art room in your school? __________
【小题4】—Is this your schoolbag?
—Yes, this is. __________

I have_____useful message to tell you. （ ）

A．a

B．/

C．an

D．the

根据句意及首字母填写单词。
1. I had _____ (a) interesting holiday.
2. I saw __________ (star) in the sky.
3. She _______ (go) to the beach yesterday.
4. I did my homework and I ___ (do) other things.
5. I ______ (have) a party last Sunday.

下列句子中各有一处错误，请找出并改在后面横线上。
【小题1】Thatthekitchen. （______） _______________
A  B   C
【小题2】Thereare two sofa.  （______）_______________ 
A   B C
【小题3】Thereisan new fridge. （______） _______________
A  B C
【小题4】I go to sleepon the bedroom. （______）_______________
A    B C
【小题5】There area new desk. （______） _______________
A B C