один кран наполняет бассейн за 5 часов, а второй за 2.5 часа.Если обе трубы открыть одновременно,то через сколько часов заполнится бассейн ?

Раскройте скобки, употребляя правильную форму слова.

1) This is (bad) winter for 20 years. 2) Rome is old but Athens is (old). 3) It (to take) you long to find his house yesterday? 4) When we (to go) to the cinema, we (to meet) grandmother. 5) I (already/to do) my homework. 6) Usually they (not to go) to the stadium on Monday. 7) Ann (to tell) me that she (to see) and interesting film. 8) Where flowers (usually/to sell)? 9) This question (to discuss) at the meeting now?