Question

3. I
this mobile for
three years. (am using, has used,
have been using)
4. The children
in the park.
(has been playing, have been playing,
had been playing)
5. The workers
higher wages for
a long time. (has been demanding,
have been demanding, demand)​

Answer 1

Answer:

1 have been using

4 have been playing

5 have been demanding

Answer 2

Explanation:

3) am using

4) have been playing

5) have been demanding