赞题库-背景图

单项选择题

We must be aware that reading is a ______ tool of learning in higher education.

A．basic
B．basis
C．base
D．basics

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热门试题

单项选择题______ noticed that the sun came out.

A．I've just
B．I could usually
C．I could
D．I would

单项选择题Only one baby ______ the big fire.

A．saved
B．was saved
C．survived
D．was survived