试题详情
单项选择 适中0.65 引用1 组卷135
It’s very difficult _____ the child ______the work in time. Let’s go and help him.
A.of, to finishB.of, finishC.for, to finishD.for, finish
16-17七年级下·内蒙古呼和浩特·期中
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