---room is small but it’s very nice and tidy.-Really. Let’s go and see. A. Lily’s and

问题补充：

---room is small, but it’s very nice and tidy. ---Really. Let’s go and see.

A. Lily’s and Lucy’s

B. Lily and Lucy

C. Lily and Lucy’s

DLily’s and Lucy

答案：

A. Lily’s and Lucy’s

B. Lily and Lucy

(答案→)C. Lily and Lucy’s

D. Lily’s and Lucy

解析：句意：莉莉和露西的房间小，但是非常漂亮和整洁。真的，我们去看看吧。人和有生命的事物的所有格加 ’s,以s结尾的复数只加撇。两个人共同所有只在最后一人后加’.分别所有，分别加’.根据句意，room是单数,故是两个人所有，所以选C