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: Why are you always so ______ ? You never smile or look cheerful.

A. angry

B. sorry

C. unfortunate

D. miserable

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

A. have

B. receive

C. need

D. desire

Câu 3:  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 4: The castle was surrounded by a _______, which nowadays contained only occasional rainwater.

A. hedge

B. fence

C. dyke

D. moat

Câu 5: Unless the workers’ demands are ______ soon there will be a strike.

A. met

B. paid

C. permitted

D. replied

Câu 6: His _______ of the aeroplane was correct in every detail and could really fly.

A. pattern

B. design

C. plan

D. model