在句子中适当的地方填入all或both。
1、My parents are engineers.
2、Mr and Mrs Zhang are twenty-five years old.
3、The students in Mr Wang's class are good at Chinese.
4、You and Wang like chocolates, don't you ?
5、The people in this city like music.
6、The teachers of No. 10 Middle School are good.
7、Tom and Linlin play basketball well.
8、Tony and Helen are my cousins.
9、Your grandparents love you very much.
10、Han Meimei, Tommy and Jack jump high.
，则（）。