Tim looks so frightened and upset. He ____________ something terrible.
A.must experience
B.can have experienced
C.should have experienced
D.must have experienced

Most children enjoy _____ with their parents and siblings.
A.play
B.to play
C.playing
D.played

Doctors are supposed to _______ responsibility for humman life.
A.take
B.do
C.rush
D.join

How was the monetary system arranged in the Constitution?
A.The US officially went on a bimetallic monetary system.
B.The dollar was made official currency of the US.
C.Only the US Congress could issue money.
D.Various state governments, including Massachusetts, could issue money.

Tom acts as if he knew every thing.
A.Tom knows every thing so he acts that way.
B.The way Tom acts shows that he knows every thing.
C.Tom acts like that he knew every thing.
D.Tom doesn’t know every thing but he wants to appear he does.

Tim is likely to fail if he takes the exam without studying.
A.Tim will fail if he takes the exam without studying.
B.It’s probable that Tim will fail the exam if he doesn’t study.
C.It’s certain that Tim will pass the exam if he studies.
D.It’s certain that Tim will fail because he doesn’t studies.

I’ve been here for two hours, and I’m still waiting.
A.I’m still waiting here in two hours.
B.I was still here waiting two hours.
C.I still waited here tow hours ago.
D.I’ve been waiting here for two hours.

In spite of doing well in the contest, Jane didn’t win.
A.Jane did well in the contest, but she didn’t win so.
B.Jane did well in the contest. However, she didn’t win.
C.Jane did well in the contest. Therefore, she didn’t win.
D.Jane didn’t win because she did well in the contest.

I think you should revise for the exam.
A.If I were you, I would revise for the exam.
B.If I am you, I will revise for the exam.
C.If I would be you, I revised for the exam.
D.If I will be you, I revise for the exam.

It can be inferred from the passage that evolutionary psychologists dislike nostalgia for the 1950s because __________ .
A.family life was seen to be unnatural.
B.It was an unhealthy time to live
C.the nuclear family provided an unsatisfactory lifestyle.
D.women who wished to go out to work were misguided.