Underline the correct variant: 1. i am helped/was helped yesterday. 2. milk is bought/will be bought every day. 3. nick is sent/was sent to the library yesterday. 4. liz was given/will be given a new toy tomorrow. 5. this story is published/was published 2 years ago. 6. milk is delivered/was delivered every day. 7. the car is bought/was bought last year. 8. sam is invited/will be invited to the party tomorrow. 9. the tests are written/were written every week. 10. the house is built/was built three years ago. 11. pam was met/is met by her father yesterday. 12. helen is taken/was taken to the hospital yesterday. 13. alec is given/was given the task every day. 14. mona will be seen/was seen in the park yesterday