Youcouldsavesomemoney      youcanbuyagiftforyourmother....

问题详情：

You could save some money       you can buy a gift for your mother.

order to                        use                                                  that

【回答】

D                   in order to意为“为了”，后面接动词原形；because引导原因状语从句；so表示结果；so that意为“以便于”，引导目的状语从句。

知识点：连词

题型：选择题