Match the beginning and the endings of the sentences.

1. I had been working hard for months
2. I had been speaking for several minutes
3. I was out of breath
4. We had been standing at the bus stop a long time
5. The visitors had been sightseeing for an hour


a. because I had been running all the way.
b. when i became ill.
c. when the accident happened.
d. by then
e. before i was stopped.