Hewasborninapoorfamily，buthisparentsmanagedtobuybooksfo...

问题详情：

He was born in a poor family，but his parents managed to buy books for him _______.

A. in this way  B. in a while  C. once in a while  D. for a while

【回答】

C

知识点：相似 相近词比较

题型：选择题