题目内容
You have failed two tests.You'd better start working harder, ________you won't pass the course.
A．and B．so C．but D．or
D
【解析】考查“祈使句＋and/or＋陈述句”。因为祈使句与后面的陈述句所表达的内容是对立的关系，故用or(否则)。
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题目内容
You have failed two tests.You'd better start working harder, ________you won't pass the course.
A．and B．so C．but D．or
D
【解析】考查“祈使句＋and/or＋陈述句”。因为祈使句与后面的陈述句所表达的内容是对立的关系，故用or(否则)。