Question

You won’t feel happy at school_______ you get on well with your classmates.

A．though	B．when
C．unless	D．because

Answer 1

C

试题分析：though虽然，尽管；when当……时；unless除非，如果不；because因为。句意：如果你不能和你的同学融洽相处，你就不能感到快乐．结合语境可知选C。