Câu hỏi: Many people become ..................because of the natural disaster every year.

A. homeland

B. homesick

C. homeless

D. homework

Câu 1: UFOs mean ................flying objects.

A. unknown

B. unidentified

C. unable

D. unimaginary

Câu 2: Mathematics and Literature are..............subject in high schools.

A. adding

B. compulsory

C. optional

D. religious

Câu 3: The existence of different kinds of animals and plants which make a balanced environment is called........

A. biodiversity

B. rubbish

C. challenge

D. maintain

Câu 4: You will be able to see the wonders of........: oceans, rivers, mountains.

A. nature  

B. structures

C. buildings

D. constructions

Câu 5: Our actions express our love more than any words can do.

A. help

B. create 

C. make

D. show

Câu 6: According to the weather..............it will be raining tonight.

A. forecast

B. forecaster

C. forecasted

D. forecasting