单项选择题

The glass vessels should be handled most carefully since they are______

A．crisp
B．intricate
C．subtle
D．fragile
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单项选择题
The owner and editor of the newspaper______ the conference.
A．were attending
B．were to attend
C．is to attend
D．are to attend
单项选择题
He blew out the candle and ______ his way to the door.
A．converged
B．wrenched
C．groped
D．strove
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