单项选择题

It (is) essential (that) every boy and every girl (has) the same educational (opportunities).

A．is
B．that
C．has
D．opportunities
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单项选择题
Not until ______ his shoes did he enter one of the low -ceilinged rooms of the Japanese house.
A．did he remove
B．he had removed
C．had he removed
D．he removed
单项选择题
John was made ______ day and night.
A．work
B．to work
C．working
D．to be worked
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