You had better ____ jeans. If you don’t, we won’t let you in.

I hear there will be a concert of Sun Yanzi. _____ will it start? — In two days.

Can you remember when Mr. Green left _____ city?—Sorry, I can’t. I only remember it was _____ Monday.

Do come here on Monday, __________we, as planned, will take part in the gathering of AIDS prevention volunteers

Which ocean is ______, the Atlantic or the Pacific?– The pacific.