Scientists are still wondering ________ the Egyptians built the pyramids so long ago.
| A．how it is that | B．how is it that |
| C．it is how that | D．that how it is |
Lack food supplies and wanted by the police, the terrorists made a ______ attempt to hijack(劫持) a plane to Iran.
| A．brave | B．fresh | C．harmful | D．desperate |
At last, I should thank Mr. White for the _______ of speaking here and for ensuring me such an attentive audience.
| A．prejudice | B．privilege | C．ambition | D．favor |
He created a lot of vivid characters in his best-selling novels, thus winning the ______ of book-lovers all over the world.
| A．affection | B．sympathy | C．bonus | D．dignity |
-----How did you think of the job he did last week ?
-----Well done. ______.
| A．It couldn’t be worse | B．It should be better |
| C．It couldn’t have been better | D．It was worse |
Great efforts to increase agricultural production must be made if food shortage _____ avoided.
| A．is to be | B．can be | C．has been | D．will be |