2. History 

3. Physic 

4. Math

5. Geography

6. Biology

7. Science

was - was - were - were - wasn't - Was/ wasn't - was - Were/ was - was - was - remembered - wore - ate - didn't buy - didn't talk

a. Các từ ghép: sông Đuống, quê hương, lúa nếp, thơm nồng, tranh Đông Hồ, gà lợn, giấy điệp

b. Đặt câu: Quê hương tôi đẹp lắm!

i là thêm vào nha, bạn xem chỗ hình nè :D

The grass is cut by one of the students twice a month

This email wasn't sent me 

These cars were made in Japan

The air conditioner have to be repaired

be opened here?

invited to John's party by him?

2. the USA

Chắc bạn viết nhầm :v

Exercise 2: 1C - 2C - 3B - 4A - 5C

Exercise 3: 1D - 2A - 3B - 4C

Gửi bạn bài làm!

Câu 1 this morning dùng thì QKĐ chứ nhỉ? => received