1. C. grocery

 2. A. classical 

 3. D. surprise

 4. A. vitamin

 5. B. to

 6. D. donated

 7. D. craft fair

 8. C. planted

 9. C. on

10. A. organize

11. C. an / some

12. A. should

C. Cuối những năm 1930

bn nhìn câu trả lời ng khác xem ik  

VD: What is the distance from HCM to Ha Noi?
= Khoảng cách từ HCM đến Hà Nội là gì?

(bn là ng hỏi chưa chắc bn m đúng)

bn nói tôi sai thì bn sửa lại ik

1. D

2. C

3. D

4. B

5. A

6. B

81 .A train leaves for Ha Noi at 7 o'clock every morning.
→ There is a train that leaves for Ha Noi at 7 o'clock every morning.

82. Is it possible to travel to Dien Biên by air?
→ Can you travel to Dien Biên by air?

83. It isn't necessary for students to wear uniforms on Wednesdays.
→ Students don’t have to wear uniforms on Wednesdays.

84. How far is it from where you live to where you study?
→ What is the distance from where you live to where you study?

85. They didn't go camping yesterday because it rained heavily.
→ Because of the heavy rain, they didn’t go camping yesterday.

a) Xét \(\Delta DEB\) vuông  và \(\Delta DFC\) vuông có:

\(\widehat{B}\) = \(\widehat{C}\) (gt)

BD = DC (gt)

Do đó:\(\Delta DEB\) = \(\Delta DFC\)  ( cạnh huyền - góc nhọn)

 (mik chỉ bít m câu a thui ạ :) mong bn thông cảm nhé!

1. Lập trình Scratch, Powerpoint,..

2. Lý thuyết về Exel

3. Xử lí thông tin.