简单改句子！改完会追加60分

1. Cina ---China
2. no mistake
3. I'm afraid you can't take this seat. ---I'm afraid you can't.
4. fall--fail
5. if you wish to go with him---if you wish to.
6. though he wants to be a doctor---though he wants to be one.

1He is from Canada and his wife is from Cina
2When it is necessary,go and ask the teacher for help.
3Can I take this seat?
Sorry,I'm afraid you can't take this seat.
4What shall we do if we fall in the final exam?
5You can go with your dad,if you wish to go with him.
6John is not a doctor though he wants to be a doctor.
改成：
1. Cina ---China
2. no mistake
3. I'm afraid you can't take this seat. ---I'm afraid you can't.
4. fall--fail
5. if you wish to go with him---if you wish to.
6. though he wants to be a doctor---though he wants to be one.

HE AND HIS WIFE ARE FROM CHAIN