(单选题)28: Modern man faces dangers completely unknown ________ his predecessors. A:   for B:   to C:   of D:   by ...

(单选题)22: The　room　is　in　a　terrible　mess;　it ( ）cleaned. A: can't　have　been B: shouldn't　have　been C: mustn't　have　been D: wouldn't　have　been ...

(单选题)16: Excuse me, sir. Could you please tell me what number I should dial to get the ( ). A: throat B: verse C: conductor D: operator ...

(单选题)10: The Olympic Committee has drawn up strict rules for the athlete to____. A: go on B: go with C: go without D: go by ...

(单选题)4: ____the children to bed, she began to correct the students' exercises. A: Sending B: Being sent C: sent D: Having sent ...

(单选题)48: Magnificent views over the countryside have often ( ) people to write poems. A: excited B: inspired C: induced D: attracted ...

(单选题)42: ( ) we have all the materials ready, we should begin the new task at once. A: Since that B: Since now C: By now D: Now that ...

(单选题)36: The slight spark can ( ) the explosive stored there. A: set out B: set about C: set up D: set off ...

(单选题)30: Much to the students‘ relief, the mid term exam was ( ). A: let off B: taken off C: let off D: cancelled ...

(单选题)24: He works in our university as a visiting ( ), not as a formal faculty member. A: traditional B: scholar C: nurse D: pilot ...