a1) choose the correct words to complete the sentences (только слово) 2) correct the mistakes in the sentences ( предложение)

1. my brother is a graduate student. he (will have finished) his studies by spring this year. 2. don't you know what peter (will be doing) at 7 o'clock? 3. i really can't spare any time this weekend. i ( will be working) all day saturday and sunday. 4. when i call on her, mary ( will be laying) the table. 5. when the hands of the clock are close to eleven, our train ( will be approaching) portsmouth. 6. while you are writing this exercise, we ( will be preparing) our home-reading. 7. i think we ( will have cooked) dinner by the time mother comes home. 8. it's beginning to get dark; the street lights ( will be going) on in a few minutes. 9. when i get home, my dog ( will be sitting) at the door waiting for me. 10. let's wait here; tower bridge ( will be opening) in a minute to let the ships through. 11. before long, millions of tourists ( will be visiting) the new tretyakov gallery. 12. i hope that by the end of the year i ( will have earned) enough money to go on a trip. 13. they promise that by next week, they ( will have mastered) the problem. 14. i ( will have work) here six months before i receive the first raise. 15. the chief executive officer ( will have presented) all the information to all new employees before they assume their positions. 16. the manager says that he ( will be evaluating) her portfolio next week.