1) has Nick opened the window?
Nick hasn't opened the window.
2) have Jake and Mike washed their bike?
Jane and Mike haven't washed their bike.
3) has Samantha washed up?
Samantha hasn't washed up.
4) have Bob and Mary been at the cinema?
Bob and Mary haven't been at the cinema.
5) has Len made a cake?
Len hasn't made a cake.
6) has Lord jumped over the fence?
Lord hasn't jumped over the fence.
7) has Ben cleaned his teeth?
Ben hasn't cleaned his teeth.
8) has Lucy painted the chair?
Lucy hasn't painted the chair.
9) have Tim and Kathy decorated the Christmas tree?
Tim and Kathy haven't decorated the Christmas tree.
3. Fill in the gaps with the correct form of the Present Indefinite of the verb in brackets.
This block…memory, mainframe and other devices(include)
A computer programmer…the computer to do the work by writing a program (teach)
By using computer people…large amount of time in business (save)
The size of the web…on 10 per sent every month (increase)
We… in a multimedia society (live)
A computer…3 types of work: it…the information, it….and…that information, and…you the result of processing (do, receive, process, change, give)
Sometimes a computer ...(freeze).
You…RAM and video memory in megabytes (measure).
These keys…the cursor around the screen (move)
