单项选择题

We hope that such a book ______ is helpful is on sale now.

A．that
B．which
C．as
D．what
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单项选择题
He ______ the news on the radio. You needn't go to tell him.
A．learns
B．is learning
C．had learned
D．has learned
单项选择题
Children are encouraged to ______ their feelings of sadness that they may be holding inside.
A．say
B．give
C．express
D．talk
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