1.The stomachache prevented Mr.Thanh from enjoying the meal.

2.Mrs.Oanh is a good cook.

3.You don't have to finish all the work today.

4.He drives slower and more careful than I do.

5.It takes the boy 3 hours a day to learn the lesson.

6.He liked oranges than durians.

7.One of the greatest football player in the world is Zidane.

8.Why were you absent from class last Monday?

9.The exam was not difficult as we thought.

10.The visitor spoke too quick for me to understand what he said.

II.

1 - c. catches

2 - a. obey

3 - c. look

4 - b. takes

5 - a. cycling

1. C
2. A
3. C
4. B
5. A

D

B

B

C

B

1. Mrs. Nga’s house / hospital / 10km / travel / motorbike.
S1: How far is it from Mrs. Nga's house to the hospital ?
S2: It's ten kilometers.
S1: How does she travel to work ?
S2: She travels by motorbike.

2. Your house / university / 400m / walk.
S1: How far is it from your house to the university ?
S2: It is four hundred meters.
S1: How do you travel to the university ?
S2: I walk there.

3. Lien and Lan’s house / uncle’s farm / 5km / cycle.
S1: How far is it from Lien and Lan's house to your their uncle's farm ?
S2: It is five kilometers.
S1: How do they go there ?
S2: They go by bike.

giup mh di ma ( 3-1   -2024 den  4-1-2023 

Câu thơ này sử dụng từ "mặt trời" để mô tả sự sáng rực rỡ và quang cảnh đẹp đẽ khi mặt trời đi qua trên làng. Đồng thời, nó cũng có thể tượng trưng cho sự tươi sáng, hy vọng và niềm vui trong cuộc sống.

Ta thấy: 9 x 9 = 81

=> a =9

ta có a x a =81

<=> \(^{a^2}\)=\(9^2\)

<=>a=9

Vậy a=9