1- I have a sore throat. I ............. caught cold.
a-should have b-may have c-must have d-could have

2-I ........... ordered that new laptop. It was way too expensive.
a-must have b-shouldn't have c-should have d-could have

3- Ahmed.....his favorite meal when the pan caught fire.
a. cooked b. is cooking c. cooks d. was cooking

4-I don't know where she is, but she was very tired. She .......gone to bed.
a. may have b. should have c. can have d. must have

5- After he was struck by the lightning, he...... blind and deaf for almost 10 years.
a. was b. had been c. were being d. is

6- By the time we arrived at the picnic, the rain..........
a. had stopped b. was stopping c. stopped d. is stopped