1、Seventy-five percent of the earth’s surface ________ with water.
A.is covered
B.is covering
C.were covered
D.are covered
2、________ mothers couldn’t go to the meeting, because they have gone to Shanghai.
A.Mary and Peter’s
B.Mary and Peter
C.Mary’s and Peter
D.Mary’s and Peter’s
3、In the middle of the park stands a beautiful tower, ________ took the workers about a year to build.
A.that
B.where
C.which
D./
4、________ of danger in the street at night, she had to go home, with a friend ________ her
A.Warning, following
B.Having warned, following
C.Having been warned, following
D.Warned, followed
答案解析:
1.【答案】A。解析:考查主谓一致。句意:75%的地球表面被水覆盖。Be covered with被……所覆盖,主语surface被百分数修饰,谓语要同百分数后面的名词保持一致。故be动词用is。故选A。
2.【答案】D。解析:考查名词所有格。句意:玛丽和彼得的妈妈不能参加这个会议,因为她们去上海了。由句中的mothers推断出是两个人各自的妈妈,而选项A指的是俩人共同的妈妈。如表示各自所有,则需在各个名词mother后加’s,故选D。
3.【答案】C。解析:考查非限制性定从。非限定关系词用which不用that,which在句中做主语,不用关系副词where。
4.【答案】C。解析:考查非谓语动词。句意:在被警告在这条街上晚上有危险后,她不得不让一个朋友陪伴她回家。整句话已有谓语动词had to go,因此两个空要用非谓语形式。warn这一动作发生在主句动作had to go之前,应用完成形式,排除A,又因为她与警告之间是被警告,排除B。且a friend与follow之间是主动关系,排除D。故选C。
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