Calculate your weight on each. Where are you the heaviest? Where are you the lightest? 6 Do some research on the internet or in an encyclopaedia. Find out the gravity on the planets below and
?
my mass (in kilograms)
gravity
my weight (in Newtons)
Earth
Jupiter
Mars
Mercury
Neptune
Saturn
Uranus
Venus​

1) He has been learning English since a year.
2) Mrs. Dobbs has been living in Bath for five years.
3) She has been working at the book shop since she came to our town.
4) He has been driving his car for three months since he received his driving license.
5) They have been working in the garden since they had breakfast.
6) My brother has been repairing the toaster since 10 o`clock.
7) They have been building the school building since last June.
8) The students have been writing their test for an hour.
9) Have you  been smoking since you were 16?

My usual summer is fun. When the weather is good and sunny I like walking in the park or in the forest, swimming in the river, meeting my friends, visiting my grandparents and so on. In summer I can relax and do nothing. It is cool!  Almost every summer I go to the sea. I like it, because it is another world. Of course when the weather is rainy and I have to be at home it is boring. I don’t like sitting at home in summer. Next summer I want to go to the sea. I want to go camping with my friends. Or do something unusual.