5/6 - 6/10 = ... ?

Giá trị của y để y x 3/4 + y x 5/4 =3

Someone ___________ at the door and I will open the door right now. *

knocks

's knocking

knocked

are knocking

kết quả của phép tính 15/8 - 7/6

Give the correct form of the verb in the bracket: People in the past (not use) ................ electric lights because the wasn't any electricity.

Tìm x, biết  

 x - 2/3 = 2/3

Ex.3. Fill in the correct form of adjectives in brackets (Comparative or superlative)

1.      This student is __________________(clever) in the class.

2.      The second part of the film is _____________ (boring) than the first one.

3.      Health is _____________ (important) than money.

4.      This is _____________ (expensive) hotel in the world.

5.      That valley is the (beautiful) ________________ valley I have ever seen.

6.      The Mekong River is the (long) __________ river in Vietnam.

7.      This road is _____________ (wide) than that road.

8.      It is the (modern) _________ house in this city.