57.The police are ________ the records of all those involved in the crime.

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