12. Употребите глаголы в нужной форме

12.1 The population of this town (to be) about 20,000 five years ago. Every year it (to increase) more than 1,000 a year. By the end of next decade it (to double).
12.2 They just (to come) back. I think, it (to take) them a half an hour, not more. Now they (to speak) to my mother.
12.3 Tornadoes (to speed) through the island every year. By the end of this season they ( to damage) many buildings and (to injure) many people.
12.4 Her husband (to watch) football on TV since breakfast. But it seems, the match (not to go) successfully, you (not to ask) anything about the game.
12.5 The concert (to be) almost over, and the singers (to be) tired, but the spectators still (to wait) for new songs. You see, it (to repeat) again tomorrow

12.1 was; has been increasing; will be doubed;
12.2 came; took; are speaking;
12.3 speed; will be damaging; will be injuring;
12.4 has been watching; isn't going; don't ask;
12.5 is; are; are waiting; will repeat;