The report shows that over half of the women are suffering ____second-hand smoke at the workplace. (介词搭配:较低难度)
A. in
B. for
C. on
D. from
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Our goal is to fulfill the needs of our clients, _____challenging they may be. (关系词辨析:一般难度)
A. however
B. whenever
C. wherever
D. whatever
Only after the secretary saw the train disappear in sight ________the railway station. (倒装结构:较高难度)
A. he leaves
B. has he left
C. he left
D. did he leave
If they had worked harder, they ____the project ahead of time. (动词时态:一般难度)
A. will finish
B. would have finished
C. have finished
D. had finished
The newly appointed manager is said to be neither flexible ____easy to get along with. (连词辨析:较低难度)
A. or
B. and
C. nor
D. but