Question

I know Mr. Shuili; we ______ to each other at an English lecture.

A．are introduced	B．are been introduced
C．were introduced	D．had been introduced

Answer 1

C

考查时态。根据句意：我认识Shuili先生，我们在一场英语讲座上已经被介绍过了。故用一般过去时，选C。