1.I……studied for two hours
=.have
2.We…….here since yesterday
=.have been
3.I have……a letter for 2 hours
=.written
4.I have……music for 15 minutes, it’s very good
=.listened
5.We have……. this new novel together since yesterday
=.read
6.I have……a delicious food for them
=.cooked
7.We have…….this film since last night
=.watched
8.They have…….me about this story
=.told
9.Diana…….sung this song
=.has
10.We have…….in Bandung since 2004
=.lived
11.We……..cooked this delicious food special for you
=.have
12.I……him for two hours
=.call
13.Sinta has…….to the school for 3 hours
=.gone
14.Diana has……..for two hours
=.slept
15.We have…….this major since last night
=.learned