the present tenes

at a physics lesson

at the physics lesson the teacher (1.ask)..asks .....the children about the influence of heat a cold on the body

"heat(2.meat).....meats.....thing bigger and cold(3.make)......makes.......things smaller",answers a boy.

"quite right "(4.say).......says....the teacher."Can you (5.give)..give.....an example."

"in summer,when it's hot,the days(7.be)....are ......shoter,(8.answer)........answers.......the boy