Columbus (discover) ________ America more than 400 years ago.
A.discovered
B.was discovering
C.discovering
D.were discovering

Mrs. Nam (cook) __________dinner when we (arrive) __________.
A.was cooking – was arriving
B.was cooking – arrived
C.cooked – arrived
D.cooked – was arriving

I (have) ________ lunch with Dong at 11 o’clock yesterday.
A.had
B.have
C.having
D.was having

You.... translate that. I understand what you say.
A.wouldn't
B.needn't
C.mustn't
D.couldn't

You…. be right but I am not sure, so I am going back to check anyway.
A.can
B.must
C.should
D.might

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.
A new law may soon be passed to deal with the problem.
A.There’s a possibility that a new law will soon be passed to deal with the problem.
B.It is said that a new law will soon be passed to deal with the problem.
C.To deal with the problem, a new law must be passed soon.
D.The problem will soon be dealt with by a new law.

It is possible that we won’t have to take an entrance exam this year.
A.Perhaps we mustn't take an entrance exam this year.
B.We mustn’t take an entrance exam this year.
C.We mightn’t take an entrance exam this year.
D.It is likely that we will take an entrance exam this year.

It would have been better if she had bought some sugar.
A.She should have bought some sugar.
B.She must have bought some sugar.
C.She might buy some sugar.
D.She might have bought some sugar.

You.... tell Linda anything about our story. She.... keep a secret.
A.had better not / cannot
B.needn’t / would rather not
C.ought to / would not
D.do not have to / should not

I am not really sure where Nhung is. She.... in the living room, or perhaps she is in the backyard.
A.could not sit
B.cannot sit
C.must be sitting
D.might be sitting