(单选题)42: It　is　impossible　for　us　to　____　such　a　difficult　task　within　the　limited　time. A: fuel B: frown C: fulfill D: frost ...

(单选题)36: It’s sometimes difficult to tell one twin from _____. A: another B: some other C: other D: the other ...

(单选题)30: Having worked for three hours or so they stopped ( ) a rest. A: taking B: to take C: having D: having take ...

(单选题)24: The nearest person he could ( ) by radio would be 885 miles away. A: connect B: contact C: contract D: context ...

(单选题)18: ______ you eat the correct foods ______ be able to keep fit and stay healthy. A: Only if; will you B: Only if; you will C: Unless; will you D: Unless;you will ...

(单选题)50: Please　____　me　for　my　rudeness.　I　really　do　not　know　the　custom　here. A: engage B: comfort C: execute D: forgive ...

(单选题)38: Our house is on the top of the hill , and in winter the winds____ be pretty cold . A: must B: ought to C: can D: need ...

(单选题)32: She was complaining that the doctor was ______ too much for the treatment he was giving her. A: expending B: offering C: costing D: charging ...

(单选题)26: 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)20: Jim has not ( ) up for a whole day. I’m afraid he caught a bad cold in yesterday’s heavy rain. A: got B: put C: laid D: turned ...