It is hard _____ flowers is the rain a.plant b.to plant c.pianted
问题描述：
It is hard _____ flowers is the rain a.plant b.to plant c.pianted
答
选择 B
it is hard to plant flowers in the rain.
这里的it是做的形式主语，代替后面的真正主语 to plant flowers。 句子意思为：在雨中种花是很困难的。
答
选B It is hard to do sth ,这里的flower是动词种花的意思！
答
B
后面的is the rain为in the rain