—It has been raining for nearly a week!—I don't care. No matter ______ the rain lasts, there will be a rainbow in the end.
- Time is money. - But I think time is _____money.
When winter comes, days get _____ .
There are ________ books in the National Library.
Listen! Someone_____ singing in the next room.
How about_________out for a walk, mum?