Câu hỏi: He formerly worked as a machinist_______ in Boeing's Everett assembly plant.

A. appriciate

B. apprentice

C. appraise

D. approach

Câu 1: Installing is firewall is one method of trying to protect against_______.

A. hackers

B. thiefs

C. robbers

D. crooks

Câu 2: She finally achieved her_______ of visiting the USA.

A. target

B. objective

C. desires

D. ambition

Câu 3: The waste water from bath, showers, sinks and_______, and rainwater can be collected in a tank.

A. linguistic

B. official

C. dishwasher

D. operate

Câu 4: The_______ of living here, of course, is that it is expensive.

A. glorious

B. athletic

C. strategy

D. downside

Câu 5: I_______ George on my way home.

A. dropped in on

B. gear up for

C. pair up with

D. look back on

Câu 6: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive