Câu hỏi: The raccoon is a nocturnal animal.

A. harmless

B. night

C. marsupial

D. diurnal

Câu 1: I didn’t go to work this moring. I stayed at home because of the morning rain.

A. thanks to

B. on account of

C. in spite of

D. in addition to

Câu 2: The famous racehorse Secretariat had to be destroyed because of a painful, incurable hoof disease.

A. disabling

B. vexatious

C. dangerous

D. irreparable

Câu 3: Victoria Holtand William Shakespeare are prolific writers.

A. productive

B. famous

C. esteemed

D. celebrated

Câu 4: The 1908 Siberian meteorite explosion brought about considerable depletion of the northern hemisphere's ozone layer.

A. was caused by

B. resulted in

C. brought back

D. was initiated by

Câu 5: Before the earthquake hit the area,many minor tremors were felt.

A. spasms

B. noises

C. vibrations

D. crumblings

Câu 6: Hypertension is one of the most widespread and potential dangerous diseases.

A. colossal

B. popular

C. common

D. scattered