* Mark the letter A, B, C, or D on you answer sheet to indicate the word that differs from the rest in the position of the main stress in each of the following questions.

We are all very sorry that we have to wait for this agreement to come into_________.

A. truth

B. action

C. force

D. reality

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

Many insects have no vocal apparatus in their throats. However, they make sounds

A. Many insects make sounds so that they have no vocal apparatus in their throat

B. The reason why many insects make sounds is that they have no vocal apparatus in their throats

C. Since many insects can make sounds, they have no vocal apparatus in their throats

D. Many insects make sounds despite having no vocal apparatus in their throats

My father has decided to _____ a beard to cover a small scar he has on his chin.

A. rear        

B. bring up 

C. breed      

D. grow

Nhôm là kim loại có khả năng dẫn điện và nhiệt tốt là do:

A. mật độ electron tự do tương đối lớn.

B. dễ cho electron.

C. kim loại nhẹ.

D. tất cả đều đúng.