________ my teacher didn’t tell me directly, I still felt that I didn’t live up to her expectation

There __________ a teacher and seventy—two students in the classroom.

We all know trees play an important role in _______up the air.

have you seen my mobile phone—______ you bought last week I’m afraid Ihaven’t seen _____．

Which park would you like to visit,People’s Park or West Hill Park— ______. I would like to visit SeasidePark.