СРОЧНО!
Complete the sentences. Choose the right forms.
1. Do you know anybody who (have/has) been to Britain and can speak about it?
2. John hasn't told us about his plans (already/yet)
3. My little brother has never (swam/swum) in the sea, but he'd love to.
4. Everybody enjoys such (-/a) clear and fresh air.
5. I am learning English because I hope it will be (useful/useless) to me.​

1 has

2 yet

3 -

4 useful

..............