I have _______ much work to do _______ I have no time to go out with you.
--- ___________ there any sharks in the aquarium? --- No, we didn’t see any.
It’s not good for people __________ waste water (污水) into the river.
Every student in Miss Chen’s takes turns __________ the classroom every day.
Please tell your partner _____________ make your favorite smoothie.
The music is very wonderful, she often listens ___________.