Don’t ________ to contact me if you need any more information．


  1. A.
    sorry
  2. B.
    apologize
  3. C.
    dislike
  4. D.
    hesitate

Fortunately, the scientist lived m see his dream ________．


  1. A.
    came true
  2. B.
    come true
  3. C.
    became tree
  4. D.
    become true

China is a ________ member of the UN Security Council(联合国安理会)．


  1. A.
    forever
  2. B.
    long-lasting
  3. C.
    usual
  4. D.
    permanent

Several minutes after its launch, the X-37B plane successfully sent back its first ________ to the control center．


  1. A.
    mark
  2. B.
    sign
  3. C.
    instruction
  4. D.
    signal

We had ________ hard time trying to persuade him that we gave up．


  1. A.
    so
  2. B.
    a so
  3. C.
    such
  4. D.
    such a

I was ________ tired that I had to rest．


  1. A.
    so much
  2. B.
    so
  3. C.
    enough
  4. D.
    such

Fixing his eyes on his wife, Jim couldn’t understand ________ her hair was gone．


  1. A.
    what was it
  2. B.
    why it was this
  3. C.
    how that was
  4. D.
    why it was that

Be careful when you cross the street .1f not, you may ________ run over by a car.


  1. A.
    have
  2. B.
    get
  3. C.
    become
  4. D.
    turn

The doctors are trying to reduce the patient's fear ________ he would die of the disease.


  1. A.
    which
  2. B.
    when
  3. C.
    that
  4. D.
    if

Please let us________ if you have good suggestions, however, we ________ the difficulty working out the subject early．


  1. A.
    know; recognized
  2. B.
    recognize; know
  3. C.
    recognize; recognized
  4. D.
    know; recognize
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