.THEY………..FOR 3 HOURS WHEN THE STORM SUDDENLY BROKE.A.HAD BEEN RUNNI...
4..They………..for 3 hours when the storm suddenly broke.
a.had been running
b.have been running c.are running d.will be running
4..They………..for 3 hours when the storm suddenly broke.
a.had been running
b.have been running c.are running d.will be running