Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.We called an ambulance as soon as we realised that he seemed to be having ____ heart attack.
A.a
B.an
C.the
D.no article

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.Had you told me that this was going to happen, I__________ it.
A.would never have believed
B.don’t believe
C.hadn’t believed
D.can’t believe

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.The preparations _______ by the time the guests arrived.
A.have finished
B.have been finished
C.had finished
D.had been finished

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.He promised to telephone,_____________I have never heard from him again.
A.but
B.except
C.although
D.because

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.I think the company should inform its customers ______the improvements in their services.
A.on
B.about
C.to
D.with

The deadline for submission of ___ for the river cleaning project has been extended to the end of the month.
A.intentions
B.advice
C.indications
D.proposals

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.decided
B.appeared
C.threatened
D.engaged

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A.shown
B.flown
C.grown
D.crown

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.confide
B.approach
C.install
D.enter

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A.volunteer
B.protection
C.conclusion
D.attention