They held a sports meeting _____ the morning of April 30. [ ]

Nobody knew _______ a living in that country.

It’s too cold. How about _________?

_______ can a tiger weigh, do you know? — Yes, I know that a big one can weigh over 300 kilos.

Excuse me. Would you please tell me ____?—Certainly. Go straight along here. It’s next to a hospital.