Thực hiện phép tính:

\(\left(\sqrt{14}+\sqrt{6}\right)\).\(\left(\sqrt{5-\sqrt{21}}\right)\)

Sentence Tranformation

1. Someone played a practical joke on the boss. (HAD)

=> The boss ..................................... him.

2. A well-known magazine published his story (IN)

=> He ........................................... well-known magazine.

3. I'd love it if someone bought me a yacht. (BUY)

=> I'd love .................................... a yacht.

4. Why not ask Peter for some help with your project? (GET)

=> Perhaps you could ......................................... you with your project.

5. Our new garden path is being laid next week. (ARE)

=> We .......................................... next week.

Multiple choice:

1. ............................... Thousands of undiscovered planets in space.

A. There is said that there are

B. There are said to be

C. It is said there to be

D. It is said to be

2. "What do you suggest we do about our dog barking?"

" All I ask is that ......................... inside at night.

A. It be kept

B. You will keep it

C. To keep it

D Keeping him