单项选择题




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单项选择题
Without a ______ from a receiver, the delivery person is not permitted to leave the package unattended outside of the building.
(A) recommendation
(B) signature
(C) certificate
(D) stature
单项选择题
The political candidate promptly reorganized his staff ______ his landslide defeat in the primaries.
(A) follows
(B) followed
(C) following
(D) to follow
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