— Where is the School English Speech Contest going to be held tonight?— I’m not sure. Is it in the hall _____ can hold 300 people?
I don’t know _____ tomorrow. Can you tell me?
My father didn’t go to bed ______ he washed his car last night.
We can’t do two things _____.
Jim’s shirt is made _____ silk , and it’s made ______ china.
No smoking, please. It’s ____ the rules.