—They are quiet, aren’t they?—Yes, They are used ________ at meals.A．to talkB．to_刷题宝

题干

—They are quiet, aren’t they?
—Yes, They are used ________ at meals.

A．to talk	B．to talking
C．to not talking	D．not to talk

上一题下一题 0.64难度单项选择更新时间:2016-09-07 01:16:00

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