56. Many Europeans ________ the continent of Africa in the 19th century.
　　A) exploded
　　B) explored
　　C) exposed采集者退散
　　D) expanded（D）
　　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（C）
　　58. Building that railway was very difficult and involved ________ ten tunnels.
　　A) dig
　　B) having dug
　　C) to have dug
　　D) digging（B）
　　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（C）
　　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（A）
　　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（D）
　　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（D）
　　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（A）
　　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（B）
　　65. It was proposed that the matter ________ discussed at the next meeting.
　　A) will be
　　B) has
　　C) be
　　D) would be（D）
　　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（A）
　　67. Pick me up at 8 o’clock. I ________ my bath by then.
　　A) may have
　　B) will be having
　　C) can have had来源：www.examda.com
　　D) will have had（A）
　　68. She was so angry that she felt like ________ something at him.
　　A) to throw
　　B) to have thrown
　　C) throwing
　　D) having thrown（B）
　　69. You should hire a more ________ manager than the one you currently have.
　　A) sufficient
　　B) effective
　　C) respective
　　D) efficient（C）
　　70. Pupils who pass the test will be ________ to the next grade.
　　A) promoted
　　B) proceeded
　　C) progressed
　　D) proposed（C）
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