单项选择题

I should be able to finish the task on time, ______ you provide me with the necessary guidance.

A．in case
B．provided that
C．or else
D．as if
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单项选择题
At dusk, Mr. Hightower would sit in his old armchair in the backyard and wistfully lose in reminiscence of his youth romances.
A．hopefully
B．reflectively
C．sympathetically
D．irresistibly
单项选择题
The rear section of the brain does not contract with age, and one can continue living without intellectual or emotional faculties.
A．advanced
B．growing
C．front
D．back
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