Thisexerciseis

問題詳情：

This exercise is _________difficult _____．

A．so, that few of us can do 　　　　　　　 B．so, that few of us can do it

C．too , for anyone of us to do 　　　　　　 D．too, for anyone of us to do it

【回答】

B

知識點：選詞填空

題型：選擇題