When the building burns, the firemen will arrive at once and the fire.
---Did you go to the cinema last Sunday? ---Oh, no. I _____________ go to the cinema. The tickets , you know, are too expensive.
At that moment I had no choice but _____________ the policeman for help.
I’m very worried because I have made ________________ progress in my math.
You never know how much difficulty we had _________________ the problem. Luckily, we try to solve it with Mrs Wu’s help.
--- How hard-working the teachers are! --- I agree with you. The teachers are always strict __________us.