chia động từ trong ngoặc
1.You (make) up your mind yet ?
2.Tom (participate) in Green Summer programme before ?
3.So far, he (do) the volunteer work.
4.The children (not finish) painting yet.
5.We (work) together for several months.
6.I (invite) them to my party yesterday,but they (not come).
7.Jane (leave) just a minute ago.
8.When you (start) your volunteer work ?