Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
If we don’t protect and preserve endangered species, there _____ a loss of biodiversity.
A.will be
B.would be
C.were
D.would have been

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We _______ touch since we _______ school three years ago.
A.lost / have left
B.have lost / leave
C.have lost / left
D.were losing / had left

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
My mother asked me _____.
A.which tertiary institution did I choose
B.which tertiary institution I choose
C.which tertiary institution I would choose
D.which tertiary institution will I choose

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We would have sent him a Christmas card if we _____ his address last year.
A.know
B.have known
C.knew
D.had known

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Hung doesn’t take good care________ himself.
A.in
B.of
C.about
D.for

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Cameron, ________ directed “The Titanic”, is one of the leading faces in Hollywood.
A.who
B.whom
C.that
D.whose

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
She _____ thousands of pictures since the 1980s.
A.took
B.was talking
C.has taken
D.had been taking

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We would have agreed to the contract _____ for Tom’s opposition.
A.would it not have been
B.be it not
C.had it not been
D.should it not have been

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Her grandfather’s illness was we thought at first.
A.more seriously as
B.as seriously as
C.more serious than
D.as serious than

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
you, I’d think twice about that decision.
A.Should I be
B.If I am
C.Had I been
D.Were I