Exercises
10.2 For each situation, ask a question using the words in brackets.

1. You have a friend who is learning Aerabics. You ask:
( how long / learn / Aerabics? ) ............How long have you been learning Aerabics?.......... .
2. You have just arived to meet a friend. She is waiting for you. You ask:
( How long / wait? ) ..................................................................... .
3. You see somebody fishing by the river. You ask:
( How many fish / catch? ) ............................................................ . 
4. Some friends of yours are having a party next week. You ask:
( How many people / invite? ) ......................................................... .
5. A friend of yours is a teacher. You ask:
( How long / teach? ) ................................................................... .
6. You meet somebody who is a writer. You ask:
( How many books / write? ) .................................................................. .
7. A friend of yours is saving money to go on holiday. You ask:
( How long / save? ) ........................................................................ .
( How much money /  save? ) ........................................................... .

Exercises
10.1 Read the situations and write two sentences using the words in brackets. 

1. Tom started reading a book two hours ago. He is still reading it and now he is on page 53.
( read / for two hours ) ......He has been reading for two hours..... .
( read / 53 pages so far ) .......He has read 53 pages so far....... . 
2. Linda is from Australia. She is traveling round Europe at the moment. She began her tour three months ago.
( travel / for three months ) ......She............................ .
( visit / six countries so far ) ...................................... .
3. Jim is a tennis player. He began playing tennis when he was ten years old. This year he is national chapionship fourth time.
( win / the national championship four times ) ........................................... .
( play / tennis since he was ten ) ....................................... .
4. When they left college, Mary and Sue starteed making films together. They still make films.
( make / ten films since they left college ) ......They............................. .
( make / films since they left college ) ............................................... .