查人人中国名人网材料的环境适应性:英语选择题！！◎！◎
来源：百度文库 编辑：查人人中国名人网 时间：2024/04/29 06:21:19
The fence needs _____but wo can;t do it until the coming fall
A/mended B to mend C to be mended
答案选C
为什么
A/mended B to mend C to be mended
答案选C
为什么
need to be done=need doing
所以选择C.
应该是mending
'c'....
because it haven't happen yet....
need 后面要么加名词或名词性代词，要么加不定式短语to+verb，要么加动词的现在分词verb+ing
需要被修改。
被动语态