---Listen, Mum. I heard the footsteps. Is it Dad? ---It ___ be him. He’s gone to Beijing on business this morning.
Many trees and flowers ______in our city every year.
My deskmate asked me ____or not I wanted to be a player in the future.
You’d better go and speak to her ____. So I won’t go instead of you.
-----My uncle bought my grandfather a new camera, but he doesn’t know_____. ----- You can ask him to read the instructions first.
Mother _____some fruit on the table and then asked us to enjoy them.