Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Combine the sentences: "They had hunted and killed many wild animals. Later they regretted what they had done." They regretted _________ and killed many wild animals.
A.having been hunted
B.been hunted
C.hunted
D.having hunted

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
In the past, _________ industries denied having contributed to global warming.
A.a great deal of
B.an amount of
C.a lot of
D.a large amount of

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Combine the sentences: "Someone had started a fire in the forest. Tom admitted that he had done it."  Tom admitted _________ a fire in the forest.
A.start
B.started
C.having started
D.to start

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I cannot work because _______.
A.there are too many noises
B.of some noises
C.there is too much noise
D.of a number of noise

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
There is not _______ left in my account.
 
A.some moneys
B.a few money
C.many money
D.much money

Điều nào đúng khi nói về trẻ đồng sinh khác trứng?
A.Luôn khác nhau về giới tính.
B.Có thể giống hoặc khác nhau về giới tính.
C.Luôn giống nhau về giới tính.
D.Ngoại hình luôn khác nhau.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Having identified the causes of global warming, we _________ some solutions to reduce its effects.
A.work out
B.working out
C.have worked out
D.worked out

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
We’ve already decided on _________ main points to talk about.
A.The
B.A
C.Ø
D.An

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Since people have ignored warnings about global warming for more than 20 years, they _________ suffer its effects now.
A.having been to
B.have to
C.having to
D.has to

Đặc điểm sinh sản của ếch là gì?
A.Ếch đẻ con, thụ tinh ngoài.
B.Ếch để con, thụ tinh trong.
C.Ếch đẻ con, thụ tinh ngoài.
D.Ếch đẻ trứng, thụ tinh ngoài.