56.Many Europeans ________ the continent of Africa in the 19

56.Many Europeans ________ the continent of Africa in the 19th century.
A) exploded
B) explored
C) exposed
D) expanded
57.The police are ________ the records of all those involved in the crime.
A) looking into
B) looking after
C) looking out
D) looking on
58.Building that railway was very difficult and involved ________ ten tunnels.
A) dig
B) having dug
C) to have dug
D) digging
59.________ with the picture.Mary tore it to pieces.
A) Dissatisfying thoroughly
B) Being thoroughly dissatisfied
C) To dissatisfy thoroughly
D) To be thoroughly dissatisfied
60.________ you are familiar with the author’s ideas,try reading all the sections as quickly as you possibly can.
A) As long as
B) Ever since
C) So that
D) Now that
61.________ its hot sun and beautiful beaches.Hawaii is a fine place to live in or to visit.
A) As
B) With
C) From
D) For
62.Bob’s leg got hurt ________ the Purple Mountains.
A) while he is climbing up
B) while we were climbing up
C) while we climbed up
D) while he climbed up
63.There are certain ________ when you must interrupt people who are in the middle of doing something.
A) conditions
B) situations
C) occasions
D) environments
64.The time is not far away ________ modern communications will become widespread in China’s vast countryside.
A) when
B) as
C) until
D) before
65.It was proposed that the matter ________ discussed at the next meeting.
A) will be
B) has
C) be
D) would be
66.He didn’t go to the party,but he does wish he ________ there.
A) would be
B) has been
C) would have been
D) had been
67.Pick me up at 8 o’clock.I ________ my bath by then.
A) may have
B) will be having
C) can have had
D) will have had
68.She was so angry that she felt like ________ something at him.
A) to throw
B) to have thrown
C) throwing
D) having thrown
69.You should hire a more ________ manager than the one you currently have.
A) sufficient
B) effective
C) respective
D) efficient
70.Pupils who pass the test will be ________ to the next grade.
A) promoted
B) proceeded
C) progressed
D) proposed

56 b
explore 探索,开发
许多欧洲人在19世纪探索了非洲大陆
57 a
look into 调查
警方调查了所有涉案人员的记录
58 d
建设那条铁路非常酷男,涉及到了十条隧道的挖掘
59 a
由于对这张照片极其不满,Mary将它撕成碎片；主语是人,与dissatisfy是主动关系
60 d
既然你对作者的意图很了解,那就试着尽你所能的快速读完这段吧.Now that = since
61 b
拥有烈日和美丽的沙滩,夏威夷是一个居住或旅游的好地方
这个题目with可以,for也可以,表原因：因其烈日和美丽的沙滩,夏威夷是一个居住或旅游的好地方
62 b
got表明登山也是发生在过去,必然使用过去时态；while一般用进行时态,所以选择b
63 b
存在这种情况（场合）：你必须要打断正在做某事的人
64 a
定语从句,the time when ...is not far away.在中国广大农村遍及现代通信的时代不远了!
65 d
过去将来时
66 d
wish引导的虚拟语气,对过去虚拟,wish后面用过去完成时；对现在虚拟,后面用过去时
67 d
将来完成时
68 c
feel like doing 想做什么
69 d
efficient 工作有效率的
effecitve 起作用的,有效的
70 a
被提升到 promote 提升,升职