СРОЧНО!!!Помогите пожалуйста !!!!
1. Who (to knock) at the door? 2. Look! Victor (to dance) with Helen. He (to dance) all modern dances very well. 3. I won’t go out now as it (to rain) and I (not to have) an umbrella. 4. The children are in the forest now. They (to gather) mushrooms. They always (to gather) mushrooms in summer. 5. Turn off the gas. The water (to boil). Water (to boil) at 100° C.
6. He usually (to speak) so quickly that I (not to understand) him. 7. Why you (to walk) so fast today? You usually (to walk) quite slowly. — I (to hurry) because I (to meet) my mother at 5 o’clock and she (not to like) to be kept waiting. 8. You (to see) my car keys anywhere? — No, I (to look) for them but I (not to see) them. 9. You (to hear) the wind? It (to blow) very strongly tonight. 10. You (to recognize) that man? — I (to think) that I have seen him before but I (not to remember) his name. 11. I can’t hear what you (to say); the traffic (to make) too much noise. 12. Mother (to rest) now. She always (to rest) after lunch.

1. knocked 2. is dancing, can dance 3. rain, have no 4. are gathering, gather 5. is boiling, boils 6. speaks, could not understand 7. walking, walk, am hurrying, have to meet, does not like 8. saw, looked, had not seen 9. heard, blew 10. recognized, think, can not remember 11. said, is making 12. is resting, resting

Who knock at the door?