用现在完成时造句

1. I have already finished my homework.
2. Have you cleaned your room yet?
No. I haven't cleaned my room yest.
3. She has just fed her dog.
4. What have you done recently?
5. Have you ever been to Hongkong?
6. I have never been abroad.
7. Has he been to the USA before?

I have already done my homework.
I haven't cleaned my room, yet.
I have just brushed my teeth.
I have recently bought a new phone.
Have you ever been to China?
I have never drunken a beer.
Have you ever seen a whale before?

I have already finished my homework.