Our goal is to fulfill the needs of our clients,challenging they may be.
A.however
B.whenever
C.wherever
D.whatever
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Only after the secretary saw the train disappear in sight the railway station.
A.he leaves
B.has he left
C.he left
D. A) did he leave
If they had worked harder, they the project ahead of time.
A.will finish
B.would have finished
C.have finished
D. had finished
The company has decided to sponsor the exhibition, helps to promote its image.
A.that
B.who
C.what
D. which
The newly appointed manager is said to be neither flexible easy to get along with.
A.or
B.and
C.nor
D. but