Question

Put the verbs in brackets in either the Present Perfect or the Present Perfect Continuous.

1.Richard Brason,owner of Virgin Atlantic,_______(fly) balloons for many years.He still flies them today.
2.I know he_______(make) a transatlanyic flight,but I'm not sure when.
3.________you ever______(sure)
a hot-air balloon?
4.Scientists______(work)on a new plane but the work is not finished yet.

Answer 1

1.have been flying. 2.has made. 3.have ever sured. 4.have been working.