can't it
isn't it
hasn't it
doesn't it
第1题：
All was quiet the whole night _______the light noise given out by the electric fan.
A. besides
B. except that
C. beside
D. except for
参考译文：万籁俱静，除了电风扇发出的轻微声响。besides为除了A还有B，except that后接从句，beside为在……旁边。
第2题：
A、has reported
B、reports
C、reported
D、is reported
答案 D
解析： 本句中文意思: 据报道，阿富汗中部巴米扬一座53米高的佛像顶部四分之一已被该国执政的塔 利班炸毁。
It is reported 是典型的it 做形式主语的句型结构，即 It+be+过去分词+主语从句，这类过去 分词有reported,announced, believed,expected, hoped, decided等。真正的主语是that从句。
第3题：
A、have polluted
B、is being polluted
C、has been polluted
D、have been polluted
第4题：
—Is Mr. Green at home ?
—No , he _______ Shanghai .
A. has been to B. has gone to C. is going to
第5题：
A、throws away
B、has thrown away
C、is thrown away
D、are thrown away
第6题：
His sister ______her hometown for three years. She'll return next year.
A. left
B. has left
C. has been away
D. has been away from
14．答案为D 他的姐姐已经离开家乡三年了。她明年将要回来。该句表示到现在为止一直发生的动作，因此要用现在完成式，away表示离开某地时应加from。
第7题：
A、Latter
B、Later
C、Lately
D、Late
第8题：
Her sickness ,___________ with terrible weather ,has completely ruined this long-expected trip
A.combining
B.combined
C.to combine
D.to be combined
第9题：
The dog()in a terrible condition when we found it.
A. is
B. has been
C. would be
D. was
第10题：
--Why does the Lake smell terrible?
--Because large quantities of water .
A. have polluted B. is being polluted C. has been polluted D. have been polluted