Câu hỏi:  This young tree could not have been damaged by accident: I believe it was done __________.

A. in fact

B. on purpose

C. by appointment

D. by understanding

Câu 1:  The farmer had to wear heavy boots in the winter because the fields were so wet and _______.

A. earthy

B. dusty

C. greasy

D. muddy

Câu 2: Children _______ good food if they are to be healthy.

A. have

B. receive

C. need

D. desire

Câu 3: Excessive smoking is liable to cause ______ cancer.

A. chest

B. lung

C. heart

D. rib

Câu 4: With its expensive furniture and carefully-chosen colour scheme the room looked quite _______ .

A. luxurious

B. luxury

C. convenient

D. homely

Câu 5: She heated the chocolate until it ______ , then poured it over the cake.

A. changed

B. melted

C. floated

D. flooded

Câu 6:  The boy had a _____ escape when he ran across the road in front of the bus.

A. close

B. narrow

C. fine

D. short