(单选题)23: There is now considerable ___ for their safety. A: solicitude B: care C: concern D: worry ...

(单选题)17: After a long walk on a hot day, one often feels ___. A: exhaustive B: exhausting C: exhaust D: exhausted ...

(单选题)5: Jack’s mother has to (A) call him at least half a dozen (B)times until(C) he comes down(D) to his dinner.（选择有错误的一项） A: has to B: half a dozen C: until D: comes down ...

(单选题)18: A man was ___ with suspicion of having murdered the mayor. A: charged B: arrested C: accused D: suspected ...

(单选题)12: Between the two given choices the former one sounds reasonable while the ___ seems unacceptable to us. A: second B: last C: latter D: later ...

(单选题)25: I felt somewhat disappointed and was about to leave, ___ something occurred attracted my attention. A: unless B: until C: when D: while ...

(单选题)19: What good would guns have been to Jeremy and me? A: 对我和杰罗米来说，枪有什么好的？ B: 对于我和杰罗米说，即使有枪，又有什么用呢？ ...

(单选题)13: A snake ___ along the ground. A: climbed B: crawled C: crept D: sneaked ...

(单选题)7: ___ travels more slowly than light. A: Voice B: Sound C: Noise D: Wave ...

(单选题)1: I’ll ___ my aunt at the station. A: encouter B: meet C: confront D: run into ...