Chia động từ trong ngoặc
1.He(play).....volleyball but he(not enjoy)....it
2.school childrent never(wear).....uniform on Monday
3.Mary often(go).....to work on foot
4.bad students never(work).....hard
5.They(not be).....doctors
6.He (call)....you tomorrow
7.mr.Nam(come)........and (help).....me tomorrow