He made up his mind to devote his life _____ pollution ______happily．
| A．to prevent; to live | B．to prevent; from living |
| C．to preventing; to live | D．to preventing; from living |
“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but technically complex..
| A．adding ,theoretically | B．considering ,desperately |
| C．noted ,ethically | D．stressed , completely |
----It is freezing cold. You can’t cross the river to the other bank.
-----All right.I guess I can make ___.
| A．that | B．this | C．it | D．one |
Many of the classical music _____on the island. For instance , Mozart Requiem was still an interesting event to the younger inhabitants of the valley.
| A．keep | B．reserve | C．conserve | D．survive |
____paragraph is a group of sentences about some related subject. Readers must know what the main idea of ___paragaph is in order to understand ___information they are reading.
| A．The ,a ,the | B．A,the ,the | C．A,a the | D．The ,the ,the |
— I have just had my watch repaired.
— How much did they _________ you?
| A．pay | B．charge | C．cost | D．spend |