He said that he was （）aware of the difficulty of being a father.

单项选择题Problems may （）

A.rise
B.jump
C.arise
D.lift

单项选择题The foreign guests said that they were very happy （）the great changes which had taken place in the village.

A.to
B.for
C.about
D.by

单项选择题Having a good command of English is（）an easy thing.

A.by all means
B.by any means
C.by every means
D.by no means

单项选择题（）your help, I could not have finished my work so early.

A.with
B.by
C.for
D.without

单项选择题The manager of our company asked me if was possible for me to（）the marketing plan within a week.

A.set out
B.work out
C.make out
D.put out

单项选择题Not being able to speak English,they felt rather（）in the USA.

A.strange
B.puzzled
C.alone
D.lonely

单项选择题We advised them to take a rest, but they （）on finishing the work.

A.insisted
B.persisted
C.existed
D.resized

单项选择题The（）into the fire accident was carried out by two policemen.

A.question
B.doubt
C.investigation
D.information

单项选择题Tom succeeded in getting a（）of $3,000 from the bank to buy a new house.

A.debt
B.found
C.loan
D.payment

单项选择题He was asked to speak louder（）all the students in the classroom could hear him.

A.as
B.so as to
C.so that
D.than