单选题
--" What's the matter with that picture on the wall?" --" It needs ______. "
A. straightening B. to be straightening C. straightened D. straighten
【正确答案】
A
【答案解析】[解析] 此题考查动词need的用法。
[详细解答] 在动词deserve,need,require,want后面通常跟主动态的-ing分词,但具有被动含义。因此A为正确选项。