Theboyusuallygetsupearly        themorning.Butheoftenge...

问题详情：

The boy usually gets up early         the morning. But he often gets up late   

                  Sunday morning.

A. in; in       B. in; on       C. on; on       D. on; in

【回答】

B

知识点：介词和介词短语

题型：选择题