Привет. помогите пожалуйста. Это очень важная работа.

  Sunday is the day we usually go out for a drive. I (1) …. (learn) to drive at the moment, so sometimes my husband Bob (2) …. (let) me drive the car. However, last Sunday something (3) …. (happen) which made him change his mind. Bob (4) … (drive) for almost ten years and he’s very proud of the fact that he (5) … (never/ have) an accident. We (6)… (just/ leave) the house. I (7) … (drive) along the road quite slowly, when we heard a terrible crashing sound. Something (8)… (fall) off the roof of the car, then landed on the bonnet. When we looked, we saw that it was a bucket of water! I (9)…. (clean) the car before we set off and had left it on the roof. Bob says that in future he (10) … (do) the driving and the cleaning!

Помогите пожалуйста!)) Put the verb in the active or passive form:

1.Water (cover) most of the Earth.
2.The factory is big.Five hundred people (employ)thery.\
3.The park’s gate (loke) at 6 p.m. Every evening.
4.The letter (post) a week ago,but (arrive) yesterday.
5.Ron’s parents (die) when he was young. He (bring up) by the grandparents.
6.While I was on holiday my camera (disapper)from my hotel room.
7.While I was on holiday my camera (steal) from my hotel room.
8. I saw an accident last night.Somebody (call)an ambulance,but  nobody(injure)so the ambulance (not/need)
9.Where (these photos /take)?In London?…….(you /take )them?

с какими из следующих веществ может реагировать гидроксид натрия: HCl, LiOH, NaCl, BaO, H3Po4, CO2 . Напишите пожалуйста уравнение возможных реакций!

подчеркните дополнение, которое выражено именем сущ. в винительном падеже.

Наступило утро. Солнце выглянуло из-за верхушек деревьев. В лесу раздался странный треск. За сосной пролетел дятел. Это он выстукивал носом свою весенную музыку на дуплистом дереве.

x-y=2  

3x-y²=6 системное уравнение