英语达人请进 判断下面的英语句子语法对错

英语达人请进 判断下面的英语句子语法对错
1.Let's go shopping,shall we?
A.错误
B.正确
2.I think you can not pass the examination.
A.错误
B.正确
3.I wanted to buy a book but I didn't have enough money.
A.错误
B.正确
4.I used to drop with a bar nearby my office.
A.错误
B.正确
5.One of my favorite sports are swimming.
A.错误
B.正确
6.He picked up his hat and went away.
A.错误
B.正确
7.In my opinion,I think they can not survive.
A.错误
B.正确
8.If you want to make friends you should open to others.
A.错误
B.正确
9.In came the teacher.
A.错误
B.正确
10.Everyone enjoyed this game,did they?
A.错误
B.正确