题目内容

I can hardly imagine how difficult English is ________.

[  ]
A.

to be learned

B.

to learn

C.

to have learned

D.

being learned

答案:B
解析:

difficult要求后面接不定式用主动形式表示被动意义。


练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网