Chia dạng đúng của động từ

1.she (not be)................14 on her next birthday
2.How old ................you(be).................your next birthday?
3.I (go).................to the supermarket next monday
4.we (invite)..................you to join our party tomorrow
5. he(visit)................Ho chi minh city next sunday
6.I(meet)................my old friends this weekend
7.I(not do).................my homework tonight because I$\text{'}$ll go to the movies
8.My mother(buy)................a bike for me
9. The movie(start).................. in ten minutes