找出下面句子中的错误,并改在横线上(哪错了）

题目

找出下面句子中的错误,并改在横线上(哪错了）
1There are the months in a year.__________________
2 My birthday is at December 11th._________________
3 Today is my grandpa's sixty birthday.____________
4 What is you doing now?___________________________
不好意思是There are twelfth months in a year.

答案

1There are the months in a year.错:the,改为:twelve
一年有十二个月
2 My birthday is at December 11th.错:on 改为:on
我的生日是十二月十一日
3 Today is my grandpa's sixty birthday.错:sixty 改为:
sixtieth
今天是我祖父的六十岁生日
4 What is you doing now?错:is 改为:are
你在做什么?