Нужно поставить past simple bkb present continuous. 1)the teacher opened the door and asked^ -boys,)& -)the new words. -then ) under the desk& -becaus we ) for a pen. ) ready to write a test? -yes, . 2) can ) your red pen, please? -sorry? i ) it now/ 3) i ) the calaculatour at school. 4) can you help me, please. ) to turn on the computre. 5) every day my ) to teacher my little brother how to do morning exercses. 6) the ) brightly, let`s have lunch in the garden. 7) the ) brightly in august.

1)The teacher opened the door and asked
Boys,what are you doing
-We learned the new words.
-Then why are you siting  under the desk
-Becaus we looked for a pen.
-Are you do ready to write a test?
-Yes, we are .

На счет предпоследней строчки не особо уверенна 

1. what were you doing?
-Boys,what were you doing? 
-We were learning the new words.
-Then why did you sit under the desk?
-Becaus we were Looking for a pen.
- are you ready to write a test?
-Yes, we are. 
2) Can I use your red pen, please?
-Sorry? I'm using it now.
3) I never use the calaculatour at school.
4) Can you help me, please. I'm trying to turn on the computer.
5) Every day my mother tries to teach  my little brother how to do morning exercses.
6) The sun's shining brightly, let`s have lunch in the garden.
7) The sun shines brightly in August.