— Have you returned the library book ?— Yes, I’ve returned it.
--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.
---Don’t forget to come to our party this evening. ---I won’t. I __________ just now.
Many old people _________ his age die _________ cancer.
---You don’t know what great difficulty I had ________ to get the two tickets. ---But the film is really worth _________ twice.
We are going to Mazhou Park in Linda’s car. You can come with us ___ you can meet us there.