Is this your ruler –___________.

did not _____ the way we thought it would, but we still need to have a positive attitude toward it.

Where did you get to know her?— It was in Harbin No. 3 High School ______ we studied.

Ninety ____ teachers and students plant _____ trees every year.

Ben looks strong. Has he ever been sick— He’s a superman! He ________ goes to the doctor.