Will you drop ________ us tomorrow evening for a talk?—Sounds great! [ ]

It’s 9 o’clock now. I must go.—It’s raining outside. Don’t leave ________it stops.

_____ a teacher, John thinks that his main duty is to help the students become better learners.[ ]

We all _______our faces, so people don’t know us.

Why are you walking so quickly, Edward?—There_____ a talent show in ten minutes.