E. Choose a, b or c. 1. We'll have our packed lunch as soon as we there. 5 a. will get b. getting c. get 2. Unless you on tight, you'll fall off the boat. a. will hold b. hold c. don't hold like science lessons. 3. When I was at school, I a. didn't use to b. not used to c. don't use to a life jacket, you might drown. 4. If you a. don't wear 5. Milton used to b. wear c. won't wear karate when he was a teenager. a. did b. doing c. do

My grandparents live in a big city now but they ( used to live) in the country. They ( used to keep)  chickens and cows and grow vegetables but now they buy their vegetables from a greengrocer. There (did not use to be)  any shops near them but in the city there are lots. My gran ( used to make)  bread, yoghurt ans cheese but now she shops at the supermarket. But she isn't very happy about it. She says people (never used to eat)  frozen food or food from tins when she was young. And my grandad says fresh food ( used to taste)  a lot better when he was boy.

Is a tornado spinning, whirling wind?
What is tornado?
Is a tornado spinning or calm wind?
A tornado is a spinning, whirling wind, isn't it?

Can tornadoes reach speed of more then 250mph.?
What speed can tornadoes reach?
Can tornadoes reach speeds of more or less than 250mph.?
Tornadoes can reach speeds of more than 250 mph., can't they?

Did Theodore Fujita develop a scale to show how strong tornadoes are?
What did Theodore Fujita develop to show how strong tornadoes are?
Did Theodore Fujita develop a scale to show how strong or weak tornadoes are?
Theodore Fujita developed a scale to show how strong tornadoes are, didn't she?