单项选择题

It's impossible for a child to do so much work within a short period of time, ______

A. isn't it



B. is it
C. has it



D. hasn't it
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单项选择题
Jack felt unhappy as they all went outing ______ him.
A. except



B. but
C. without



D. besides
单项选择题
— ()the car seat. Its wet. —Thank you for telling me.

A. Touch
B. Feel
C. Hand
D. Sense
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