II. Cho dạng hoặc thì đúng của động từ trong ngoặc.
1. meet → met
2. go → goes
not go → didn't go
go → went
3. do → are doing
4. teach → taght
5. do → was you doing
write → was writing
6. have → will have
7. live → lived
traval → traveled
8. be → are
be → were
III. Điền giới từ thích hợp vào chỗ trống.
1. to / on
2. about
3. about / on
4. back
5. for
6. on
7. by
8. in / at
IV. Viết câu phủ định và nghi vấn
1. Liz enjoyed her last summer vacation
→ Did liz enjoy her last summer vacation?
2. They will come there tomorrow.
→ Will they come there tomorrow?
3. Hoa likes her new skirt.
→ Does hoa like her new skirt?
4. I wash my hands before meals.
→ Do you wash my hands meals?
5. The people were friendly.
→ Were the people friendly?
6. They are playing soccer today.
→ Are they playing soccer today?
