1. He asked me if I _____ to swim across the river. a) Be able b) Could c) Was able d) Am able 2. If he ___worked harder, he would have passed the exam. a) Had b) Would have c) Had have d) Would 3. I ____ a letter by an unknown...

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