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：句意：如果你和你的同班同学相处不好你不会在学校感到愉快。A. though虽然B. when当 C. unless如果不D. because 因为，根据句意，故选C。