--Let’s go to the park if it______tomorrow. --But nobody knows if it______tomorrow.
It’s quite hot in the room. You’d better the windows or the door.
If my parents ______ free tomorrow, we _____ to visit my grandparents.
There are _________women doctors in the hospital.
This is ________ article written in English. I think English is ______ useful language.
--Could you come back home at three o’clock? ---_________. I will have a meeting at half past two and it will last two hours.