Câu hỏi: Use water sparingly and keep water clean.

A. dusty

B. dirty

C. wicked

D. halfway

Câu 1: She had a cozy little apartment in Boston.

A. uncomfortable

B. dirty

C. lazy

D. warm

Câu 2: It is easy to open a shop but hard to keep it always open.

A. welcome

B. appear

C. switch

D. close

Câu 3: Fish only species that are not of concern, threatened or endangered.

A. bettered

B. born

C. safeguarded

D. taught

Câu 4: Rich families find it easier to support their children financially.

A. Wealthy

B. Well-off

C. Privileged

D. Poor

Câu 5: He had never experienced such rudeness towards the president as it occurred at the annual meeting in May.

A. thought

B. hostility

C. care

D. politeness

Câu 6: I feel that learning English will help my chances of promotion at work.

A. improve

B. minimize

C. widen

D. facilitate