The boss often ________theworkers _______for 12 hours a day.

This is one of the oldest trees in theworld._____ such a big tree.

She was so excited that it took us an hour and a half to __________ her _________.

The of the radios could not find a market for them, because the radios were badly designed.

A:My bike was broken so I had to walk a long way home today.B:______________.