根据句意，用括号中所给单词的正确形式填空。
（1）Mrs Green wants to buy some ________ (mango) in the supermarket.
（2）Thanks for ________ (invite) me to his birthday party.
（3）My parents often ________ (fly) to Shanghai once a week.
（4）Tom, ________ (not be) late for school again.
（5）Mr Wu teaches ________ (they) Chinese this year.
（6）I have a good friend ________ (call) Peter.He is English.
（7）Can you ________ (give) me some help?
（8）She wants to be ________ (health), so she usually does exercise.