单项选择题

（）you（）further problems with your printer, contact your dealer for advice.

A．If； had
B．Have； had
C．Should； have
D．In case； had

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单项选择题
The popularity of the film shows that the reviewers’’ fears were completely_______.
A．unjustified
B．unjust
C．misguided
D．unaccepted
单项选择题
She ought to stop work; she has a headache because she ______ too long.
A．has been reading
B．had read
C．is reading
D．read
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