1.They __________ ( Play ) since four O’ clock.
a) playb) is playing
c) has played
d) have been playing
d).They have been playing since four O’ clock.
Reason:
Action started in the past and continued till now.
Clue words "since" has come
2.They __________( build ) the bridge for several months.
a) building
b) are building
c) have been building
d) has built
c.They have been building the bridge for several months.
Reason:
Action started in the past and continued till now.
Clue word "for" come followed by duration.
3.He has been sleeping for five hours.
a) building
b) are building
c) have been building
d) has built
b.He has been sleeping for five hours.
Reason:
Action started in the past and continued till now.
Clue word "for" come followed by duration.
Subject is 3-person singular.
4.I-------------------(study) for five years.
a) have been studying
b) have studied
c) am studying
d) study
Reason:
Action started in the past and continued till now.
Clue word "for" come followed by duration.
a) raining
b) is raining
c) have been raining
d) has been raining
Reason:
Action started in the past and continued till now.
Clue word "for" come followed by duration.
Subject is 3-person singular.