Question

I didn’t sleep well ________ the noise from that factory nearby.    
A. because               B. because of       C. Unless

Answer 1

B

试题分析：句意为：我睡得不好是由于来自附近工厂的噪音。because：因为，后接从句；because of：由于，后接名词（短语）； Unless：除非。根据句意可知应选B。