下列句子中均有一处错误,请指出并改正
2个回答

Don't fight with your classmats at school.( fight 后中WITH)

Listen!Your mother is calling you.( LISTEN 开头,后面要用进行时,calls -> is calling )

There is a hat and three T-shirts on the bed.( are -> is ,因为 a hat 是单数)

Jin has to play the piano on Sunday.( have -> has ,主语三单)

I climbed moubtains with my classmates last weekend.( climb -> climbed 一般过去时