1) what is primary hypertension? 2) what is secondary hypertension? 3) when does hypertension crisis exist? Можно ответы

1. - They mustn't work in the park.
     ? Must they work in the park?
     Yes, they must.
     No, they mustn't.
2. - I didn't have to take a bus yesterday.
    ? Did you have to take a bus yesterday?
     Yes, I did.
      No, I didn't.
3. - She can't draw well.
    ? Can she draw well?
     Yes, she can.
      No, she can't.
4. - We can't read and write English well.
    ? Can we read and write English well?
     Yes, we can,
      No, we can't.
5. - I am not allowed to go out on cold days.
    ? Are you allowed to go out on cold days?
     Yes, I am.
      No, I am not.

plans

On 24th March I and my doughter are flying to Erevan on spring holidays.We will live in our new home.We are staying there for one week.We are going to go for a walk and go to the theatre.We are coming back from our holidays on  1th April.I have got a lot of plans for the rest of summer.First I*m  going to fly to Cambridge .I want see my son and my doughter will study during summer holidays.We are going on different excursions.Then we are going to fly to Spain .I think That it  will be fine.