they made the fire [ ] warmA;keepB;to keepC;keepingD;keeps必须有理由_英语解答

they made the fire [ ] warm
A;keep
B;to keep
C;keeping
D;keeps
必须有理由

人气：422 ℃　时间：2019-09-04 22:55:27

解答

B
这里to do表示目的
翻译为他们点着火来取暖.