下列句子中各有一处错误,请选出来并在横线上改正。
【小题1】There arefourballoon. (______)_____________
A B C
【小题2】How many studentare there in your class? (______)_____________
A B C
【小题3】What do you do onan English class? (______)_____________
A B C
【小题4】Are you likemusic? (______) _____________
A B C
【小题5】There is two sofasin the living room. (______)_____________
A B C