1. I'll phone my parents because they started to worry about me. b. might have

2. you pass me the salt, please? a. Could

3. It has been so cloudy since morning, it rain. c. may

4. Why didn't you invest your money in that business? You got more income. c. could have

5. A very interesting film is on at the Moscow cinema house. You see it. b. should

6. If you work hard you to catch up with the others in the group. a. will be able

7. She felt so offended, you treated her in such an awful way. c. shouldn't have

8. The ship was in danger but all the passengers and the crew survive. c. were able to

9. It was strange but the Smiths' little daughter speak three foreign languages. a. could

10. I speak to Mr. Drake? I am his new assistant. b. May