【题目】Mother devotes all her love to us but does not request anything ______.
A. in returnB. in caseC. in advanceD. in addition
在线课程【答案】A
【解析】
考查固定词组。A. in return作为回报；B. in case万一；C. in advance提前；D. in addition另外，此外。句意：母亲把她所有的爱都献给了我们，但不求任何回报。结合句意可知答案为A。