相關(guān)習(xí)題
 0  414  422  428  432  438  440  444  450  452  458  464  468  470  474  480  482  488  492  494  498  500  504  506  508  509  510  512  513  514  516  518  522  524  528  530  534  540  542  548  552  554  558  564  570  572  578  582  584  590  594  600  608  151629 

科目: 來源: 題型:單選題

________ medical help was available and the patient soon came to life.


  1. A.
    Hopefully
  2. B.
    Fortunately
  3. C.
    Unfortunately
  4. D.
    Sadly

查看答案和解析>>

科目: 來源: 題型:單選題

The dinosaurs ________ evolving and been unable to adapt to changes in the climate.


  1. A.
    might stop
  2. B.
    needn’t have stopped
  3. C.
    may have stopped
  4. D.
    couldn’t stop

查看答案和解析>>

科目: 來源: 題型:單選題

Only by ________ science and technology can we make our country stronger.


  1. A.
    rely on
  2. B.
    live on
  3. C.
    relying on
  4. D.
    living on

查看答案和解析>>

科目: 來源: 題型:單選題

It is better to ask for help at the rather than to wait until everyone is ________ their feet.


  1. A.
    rising to
  2. B.
    standing up
  3. C.
    holding up
  4. D.
    rushed off

查看答案和解析>>

科目: 來源: 題型:單選題

The roof fell ________ he had time to dash into the house to save his baby.


  1. A.
    as
  2. B.
    after
  3. C.
    until
  4. D.
    before

查看答案和解析>>

科目: 來源: 題型:單選題

The windows are believed ________ by Jack.


  1. A.
    broken
  2. B.
    to be broken
  3. C.
    to break
  4. D.
    to have been broken

查看答案和解析>>

科目: 來源: 題型:單選題

I was so familiar with him that I recognised his voice ____I picked up the phone


  1. A.
    while
  2. B.
    the moment
  3. C.
    after
  4. D.
    in case

查看答案和解析>>

科目: 來源: 題型:單選題

He ________ the 6:30 train because he didn't leave until 6:35 .


  1. A.
    couldn't
  2. B.
    may not have caught
  3. C.
    can't have caught
  4. D.
    mustn't catch

查看答案和解析>>

科目: 來源: 題型:單選題

He was a good swimmer so he ________ swim to the river bank when the boat sank.


  1. A.
    could
  2. B.
    was able to
  3. C.
    succeeded
  4. D.
    might

查看答案和解析>>

科目: 來源: 題型:單選題

Since the road is wet this morning, ________ last night.


  1. A.
    it must rain
  2. B.
    it must be raining
  3. C.
    it must have rained
  4. D.
    it must have been rain

查看答案和解析>>

同步練習(xí)冊答案