My Old Classmate also mentioned some important events that _______ from 1993 to 2013.

This picture was taken a long time ago. I wonder if you can 　　　 my mother.

Peter has good grades in all his subjects, but he never shows off.—-I agree. He is very ________.

He is believed____________ in at his office on his way home.

I’ve just been to my first language class.— Oh really? ________ . Which language are you studying?