Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​My parents ………. TV now.
A.watching
B.are watching
C.watches
D.watch

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​We never ………. TV in the morning.
A.are watching
B.watch
C.have watched
D.watches

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​Our teacher always ………. us lots of homework.
A.give
B.are giving
C.gives
D.is giving

Sau khi trải qua quá trình tiêu hoá ở ruột non, prôtêin sẽ được biến đổi thành dạng cấu trúc nào?
A.Chuỗi peptit ngắn.
B.Glixêrol.
C.Axit amin.
D.Axit béo.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
​​​​​​​They often ………. the bathroom at the weekend.
A.are cleaning
B.cleans
C.clean
D.have cleaned

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Her job is to detect and analyze any _________ to public safety such as floods, earthquakes and even pollution.
A.impacts
B.threats
C.influences
D.effects

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
_________ will continue to be a big threat to life on Earth.
A.Global warming
B.Solar energy
C.Environment
D.Renewable energy

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
If unemployment is rising, people _________ to stay in their current jobs.
A.take
B.tend
C.would
D.should

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The country’s _________ is in poor condition and needs to be upgraded.
A.inhabitant
B.sustainable
C.urbanization
D.infrastructure

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Songdo International Business District was started from _________ in 2005 and is still being built for the future.
A.air
B.water
C.paper
D.scratch