Be quick! Or（否则） you’ll ________ the start of the film.
The price of the house is so high. I hope it can _________ in the future.
Look at the glasses on the desk. Are they David’s?—They belong to him. I saw him go out with glasses just now.
It’s good for you to ______ in class.— I think so. Thank you.
Look! ________an eraser．