Question

— What’s the matter with Betty? She likes the book, but she will not buy it.

— Betty saves her money _____ buy her mother a present on Mother’s Day.

A. because         B. when

C. so that         D. in order to

Answer

D

【解析】

试题分析：句意：---贝蒂怎么了？她喜欢这本书，但她不买它----贝蒂节省钱的目的是在母亲节给母亲买礼物。A. Because因为；B. when 当……时候；C. so that 目的；D. in order to目的是。结合句意可知是动词不定式做目的状语，故选D

考点：考查动词不定式的用法。