Tom was exhausted as he .......... the furniture all morning.
1.had moved
2.had been moving
3.has been moving
4.was moving
Rescuers .......... all morning for survivors of the earthquake.
1.have searched
2.have been searching
3.had searched
4.searched
The tanker crashed into some rocks and a tank ………...open.
1.was breaking
2.had broken
3.breaked
4.broke