Question

___ study in No.4 Middle School? 

A．Did you used to

B．Did you use to

C．Do you used to

D．Do you use to

Answer 1

B

试题分析：句意：你过去在第四中学读书的吗？used to 的疑问句型为Did sb use to do sth.? 或Used sb to do sth?，故选B。