选 B to keep
句子 完整的回答形式是 I make fire to keep warm
或者 The reason that i make fire is to keeep warm
所以,毫无疑问选择 B．
Why don't you make a fire warm
A keep B to keep C keeping D kept
选 B to keep
句子 完整的回答形式是 I make fire to keep warm
或者 The reason that i make fire is to keeep warm
所以,毫无疑问选择 B．