单项选择题

（） something drastic happens before midnight, the postal workers will most likely walk out on their jobs.

A.Also
B.Except
C.Unless
D.Therefore

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单项选择题

All commuters （） the main highway to get to the center of the city will face delays of up to an hour today because of on-going construction.

A.use
B.used
C.using
D.will use

单项选择题

The announcement of John Stanton’s retirement was not well received by most of the staff members, but Leslie, his long time friend and colleague, was extremely （） to hear that Mr. Stanton will now be able to enjoy some leisure time.

A.happiest
B.happily
C.happier
D.happy

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