1. He asked me if I _____ to swim across the river.
c) Was able
2. If he ___worked harder, he would have passed the exam.
a) Had
3. I ____ a letter by an unknown person yesterday.
c) was given
4. One thousand people _____by the company.
b) are employed
5. If I ______the answer, I’d tell you.
c) knew
6. What’ll happen when the train _____?
c) stops
7. _____he already _____the doctor by that time.
d) Had seen
8. She _____her exam by two o’clock.
d) had passed
9. Last year I ____ ill only twice.
a) Was
10. It _____ for three hours.
d) Has been snowing