赞题库-背景图
单项选择题

The food is insufficient for three people.

A．scarce
B．short
C．marginal
D．inadequate
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热门试题

单项选择题Most of the butterflies perish in the first frosts of autumn.

A．die
B．disappear
C．migrate
D．vanish

单项选择题It is a complicated problem.

A．strange
B．complex
C．difficult
D．unusual