We need food____,and time to do thing___.

问题描述:

We need food____,and time to do thing___.
A.to eat,ourselves B.eating.with us C.to eat ,ourselvrs D.to eat,by our selves

D过程by ourselves 是固定用法 ,很少见到 反身代词 (ourselves)单独出现。and time to do thing___. 是省略了We need,写完整应是We need time to do thing by ourselves 。by的意思是 由某人自己 的意思