Children should make ______ a rule to wash hands before meals.A．oneB．thatC．itD．t_刷题宝

题干

Children should make ______ a rule to wash hands before meals.

A．one

B．that

C．it

D．this

上一题下一题 0.64难度单项选择更新时间:2015-03-10 06:41:25

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