21. The third and last chapter _______ by Professor Chen. A．are writtenB．are wri

题型：不详难度：来源：

21. The third and last chapter _______ by Professor Chen.

A．are written

B．are writing

C．is written

D．is writing

答案

解析

略

举一反三

31. Just at that time, a strange young man broke into our office, his hands _____ in his pockets.

A．sticking

B．stuck

C．to stick

D．were stuck

题型：不详难度：| 查看答案

48. Don’t respond to any emails _______ personal information, no matter how official they look.

A．searching

B．asking

C．requesting

D．Questioning

题型：不详难度：| 查看答案

56. A major earthquake _____8.0 on the Richter scale strongly _____ Wenchuan County in Sichuan Province at 2;28 p.m. on May 12, 2008.

A．measured; shaken	B．measuring; shaking
C．measured; shaking	D．measuring; shook

题型：不详难度：| 查看答案

64. If _______ , English teachers must pass the oral and written tests.

A．recruited

B．were recruited

C．recruiting

D．to be recruited

题型：不详难度：| 查看答案

76. All flights _______ called off because of the terrible weather, they had to go there by train.

A．were

B．had been

C．being

D．having been

题型：不详难度：| 查看答案