4. Look at the signs. Write the short answers. 1) Can I bringa bottle of lemonade with me?
No, you can't
No Outside
Food of Drink
17 years old. Can I go in?
2 I'm
3 My brother is 19 years old. Can he go in?
NC-17
None 17
350 under
CAT
y My brother is 19 years old. Can he go in?
5) Do I have to be minimum 18 years old to go in?
G
GENERAL
AUDIENCES
ALL AGES HOTTES
6) Can I drive at 50 km per hour?
7) Do I have to drive at 65 km per hour?
SPEED
LIMIT
65
8) I've got a dog. Can it come in?
9) I want to turn right. Can I do it?
10) Do I have to turn left?​

Maria Sklodovska was born in Warsaw in 1867. She learnt her first lessons in science from her father, who was a teacher of science and mathematics. She wanted to study at the Sorbonne in Paris and she did it in 1891. There she worked for 2 Master's degrees-in physics and mathematics. She didn't have enough money to live on but nothing could stop her.In Paris she met a 35-year-old scientist Pierre Curie.They became close friends and in1895 they got married.They had two daughters.By that time Maria Curie had already got her Master's degrees in physics and mathematics and wanted to get a Doctor's degree. The Curies were interested in a metal called uranium and its rays. Uranium became the subject  for Maria's Doctor's thesis.

1
1) She is reading a book now.
2) Two girls were eating at 1 o`clock yesterday.
3) His mother was cooking when I came.
4) Mrs Brown and her daughter were talking when Steven saw them.
5) I was sleeping at 12 o`clock yesterday.
6) They were singing songs when I came.
7) What were you doing when I rang you up?

2.
1) She is not to watching TV now.
2) What were they doing when I saw them?

3.
1) I am working now. -Present Progressive
2) We were singing ( Past Progressive) when you entered( Past Simple) the room.-
3) They are ( Present Simple)good friends.
4) You will be ( Future Simple)in a train at this time tomorrow.