1. Everyone knows what they have to do, don’t (doesn’t/don’t) they?
2. Let’s go to the supermarket, shall (will/shall) we?
3. There’re few apples in the basket, are (aren’t/are)there?
4. He can hardly swim, can (can’t/can)he?
5. Something is wrong with your watch, isn’t it (something/it)?
6. He looks unhappy, doesn’t (does/doesn’t)he?
7. There will be less pollution, won’t (will/won’t) there?
8. I don’t believe that he can translate this book, can (can’t/can) he?