Question

I have to finish my homework first_____ cleaning up the room.

A．because of

B．instead of

C．in front of

D．at the end of

Answer 1

B

试题分析：
句意：我必须先完成作业，而不是打扫教室。because of ：由于  ，instead of ：而不是，in front of：在---前面， at the end of：在---结束时结合语境可知应该选D。