Tom likes to stay at home.Tom doesn't like to go shopping(合并成一句)Tom prefers staying at home _______ ________ shopping.We will have no water to drink unless we learn to save water.(保持句意基本不变)We will have no water to drink ________ we_________ learn to save water.

问题描述:

Tom likes to stay at home.Tom doesn't like to go shopping(合并成一句)
Tom prefers staying at home _______ ________ shopping.
We will have no water to drink unless we learn to save water.(保持句意基本不变)
We will have no water to drink ________ we_________ learn to save water.

Tom prefers staying at home to go shopping
We will have no water to drink if we don't learn to save water