In Japan, student visa holders are not allowed to engage in paid activities ________ they have the permission of the school and the immigration office．


  1. A.
    if
  2. B.
    since
  3. C.
    because
  4. D.
    unless

Einstein developed Theory of Relativity, ________ completely changed the way ________ scientists understand space and time．


  1. A.
    which; that
  2. B.
    which; which
  3. C.
    that; which
  4. D.
    that; that

I ________ a present from her, so I was disappointed when I didn't receive one．


  1. A.
    have expected
  2. B.
    would expect
  3. C.
    was expecting
  4. D.
    have been expecting

He is unable to answer the questions about the new text. He ________ it yesterday.


  1. A.
    must have previewed
  2. B.
    ought to preview
  3. C.
    ought to have previewed
  4. D.
    should preview

He ________ until midnight almost every day preparing the exercises.


  1. A.
    held up
  2. B.
    kept up
  3. C.
    get over
  4. D.
    stayed up

We did not find the information ________ great importance that you had mentioned to us.


  1. A.
    with
  2. B.
    of
  3. C.
    on
  4. D.
    to

There's a cold wind this morning, you ________ put on my coat.


  1. A.
    may
  2. B.
    can
  3. C.
    must
  4. D.
    had better

With an online course Lynn has over 300000 students all over China ________ her classes through the Internet.


  1. A.
    attending
  2. B.
    attended
  3. C.
    attend
  4. D.
    are attending

Not only ________ , but he could even write some.


  1. A.
    did he like reading
  2. B.
    he did like reading
  3. C.
    did he like to read
  4. D.
    he likes to read

Never ________ before the cruel emperor.


  1. A.
    the hunter would bow
  2. B.
    the hunter did not bow
  3. C.
    would the hunter bow
  4. D.
    would bow the hunter
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