Complete the sentences. Use the present perfect form of the verbs in brackets.Use contractions where possible.
1. Their teacher gets annoyed____(students / use) their mobile phones in class.
2. I go to the doctor's _____(I / not feel) very well.
3. If you leave your bike there, ______ (someone / could / take) it.
4. _____ (food / stay) fresh for longer if you put it in the fridge.
5. If you drop the camcorder, _____(it / might / not work) properly.
6. We might miss the bus ______(not leave) now.
7. ______(Polly / not have) a lot of homework, she goes out with her friends.
8. If you lend him money, ________(he / may / not pay) you back.