-Don't be noisy in the school library.
-____
Sorry, I won't
No problem
It doesn't matter
You're welcome
____ was your last vacation? Exciting.
It’s too hot. We should ____ the windows ____.
Don’t get off the bus ____ it stops.
____is “Lucky 52” shown on CCTV-2? Every week.
---__________? ---I can’t find my bike.