【题目】I found these problems are easy ____________.
A. to be worked out B. to work them out
C. to work out D. to be worked them out
在线课程【答案】C
【解析】试题分析:考查不定式主动表被动。在“主语+be+形容词+不定式”句型中,有时主语是不定式结构的逻辑宾语,要用不定式的主动形式表示被动含义。当上述形容词在句中作宾语补足语,后接不定式时,不定式也用主动表被动。句意:我发现这些问题很容易解决。故选C