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

試題分析：though雖然，盡管；when當……時；unless除非，如果不；because因為。句意：如果你不能和你的同學(xué)融洽相處，你就不能感到快樂．結(jié)合語境可知選C。