Exercise 1: Put the correct form of the verb in passive voice:

1. This flower (water) _____ by my sister every morning

2. Jonh (invite) ______ by Flora to her birthday party last night

3. Dinner (prepare) _______ by her mother in the kitchen at the moment

4. Our teeth (should clean) ___________ twice a day

5. The English grammar (already/explain) ___________ by our teachers

6. The accident (cause) _______ by some drunk drivers in this city yesterday

7. Stella (visit) ______ by her parents next month

1. Yes, I do

2. I think local charity 

3. That amount of money will help some people very importan.

4. Children may be able to do love work as part of school instruction 

Số lít dầu mỗi thùng chứa là:

\(280\div8=35\left(l\right)\)

Số lít dầu mỗi bình chứa là:

\(35\times\dfrac{1}{7}=5\left(l\right)\)

Vậy có số bình dầu là:

\(280\div5=56\) (bình)

Đáp số: \(56\) bình

TRẢ LỜI:
Mấy bạn ơi, hết mưa rồi. Trời bắt đầu hửng nắng rồi này! Chúng ta ra ngoài sân chơi bóng đá đi !

#Hok tốt#

Dạ !!!

Nhìn mức độ 2 cx dễ lắm anh ạ !!!