问题补充:
Suddenly they noticed a house with two big trees in front of it.
A. to stand
B. standing
C. standed
D. stands
答案:
A. to stand
(答案→)B. standing
C. standed
D. stands
解析:考查with复合结构。本题中with的宾语two big trees与动词stand构成主动的关系,故使用现在分词做宾语补足语。句意:突然他们注意到一个前面有两个大树的房子。故B正确。