แบบฝึกหัด Tense 14 Present Perfect Tense & Present Perfect Continuous Tense

1. They ….…. not ….…. in the reports yet.
2. She has already ….…....her report.
3. The flood situation ….…. been served since the forests were destroyed.
4. I ….…..here for 3 years.
5. We .….….. for one hour.