_______thestudentsfinish_____thehomework,andtherestisto...

問題詳情：

_______ the students finish _____ the homework, and the rest is too difficult.

A. Three hundred; to do           B. Three hundred of; doing

C. Three hundred of; to do         D. Three hundred; doing

【回答】

B

知識點：相似 相近詞比較

題型：選擇題