It’s kind ____ you to have given me so much help. Thank you ____ the bottom of my heart.

What do you mean by saying there are onlyten ticketsThere be twelve.

You’ve got a cold, not the H7N9! Everything will turn out OK.—______! I have been worrying about it for days.

Nobody noticed he entered the room because the lights _________________ burst.

How much is the ticket to Central Park—A one-way ticket $40, and you can another $20 for a round-trip.