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

A. changed

B. melted

C. floated

D. flooded

Câu 1:  Spanish is the ______ language of most Spaniards.

A. mother

B. home

C. native

D. natural

Câu 2: Excessive smoking is liable to cause ______ cancer.

A. chest

B. lung

C. heart

D. rib

Câu 3: His landlady gave him a week’s ______ to leave the flat.

A. threat

B. notice

C. cause

D. dismissal

Câu 4: Why are you always so ______ ? You never smile or look cheerful.

A. angry

B. sorry

C. unfortunate

D. miserable

Câu 5:  As he was ill, he had to ______ the party.

A. miss

B. avoid

C. regret

D. lack

Câu 6: The workmen made so much ______ that Mr. walker had to spend three days cleaning up afterwards.

A. damage

B. mess

C. nuisance

D. destruction