His English, ______ used to be very poor is now excellent.A．whichB．thatC．itD．who_刷题宝

题干

His English, ______ used to be very poor is now excellent.

A．which

B．that

C．it

D．whom

上一题下一题 0.64难度单项选择更新时间:2017-02-07 04:28:01

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