According to the passage, which of the followings supports healthy ecosystems?
A.Animals
B.Water-based organisms
C.Lower food chain organisms
D.Wetlands

Lan_________the train if she_________in a hurry.
A.will miss/ is not
B.misses/ is not
C.misses/ is
D.will miss/ does not

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
“Why don’t you ask the Council for help?” my neighbor said.
A.My neighbor advised me to ask the Council for help.
B.My neighbor told me not to ask the Council for help.
C.My neighbor recommended asking the Council for help.
D.My neighbor wants to know why I don’t ask the Council for help.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
While Harry ________ his car, a friend of his phoned him to inform that he had been offered the job.
A.washed
B.would wash
C.was washing
D.had washed

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We should take part in “Green Sunday” movement in order to reduce environmental ________.
A.polluting
B.polluter
C.pollution
D.polluted

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I’m really ________ the weather today; I have a terrible cold.
A.affecting by
B.having of
C.feeling under
D.making out

The book_________is on the table belongs to my brother.
A.which
B.where
C.whose
D.who

A.shout
B.through
C.mountain
D.household

A.control
B.folk
C.remote
D.documentary

They_________Ho Chi Minh City last summer.
A.visit
B.will visit
C.have visit
D.visited