He（）knowledge and experience.

单项选择题Rising costs made it difficult to（）the business．

A.carry out
B.carry through
C.carry on
D.carry into

单项选择题My enthusiasm for Chinese football team gradually（）because of their countless failures.

A.disappeared
B.faded
C.ran out
D.gave up

单项选择题It is a great honor for me（）to make a speech on the situation in Tibet．

A.having asked
B.being asked
C.to have asked
D.to be asked

单项选择题The young actress looked so charming in her beautiful dress that we took（）pictures with her.

A.masses of
B.the number of
C.a great many of
D.a large amount of

单项选择题Mr．Zhang（）here for almost 20 years, yet he hasn't had an accident．

A.was driving
B.had driven
C.has been driving
D.will be driving

单项选择题It’s harmful for the students to spend too much of their time（）computer games．

A.play
B.to play
C.playing
D.played

单项选择题Yesterday I（）in the street when I （）across one of my old classmates.

A.walked；was coming
B.was walking；came
C.walked；came
D.was walking；was coming

单项选择题I（）my driving test at this time last week．

A.have
B.had
C.was having
D.have had

单项选择题Christopher Reeve said since his life was saved again，he had never thought of（）．

A.giving in
B.giving up
C.giving off
D.giving back

单项选择题Go and（）when the train is leaving．

A.be sure
B.make sure
C.be sure of
D.be sure that