Childrenfind_____difficulttositforh

发布时间：2020-07-11 21:37:34

Children find_____difficult to sit for hours with little to do while flying












A.which











B.this










C.that










D.it

网友回答

D解析it 为形式宾语，替代后面的to do .例如：I find it east to solve the problem.同样用法的还有： think / make
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