He—Swimming in the river every day in summer（go） Look,the children —baskerball on the playgrou
Look,the children —baskerball on the playground.（play）
He_______to the radio when I come in.（listen）
It is very cold.I think it _______（rain）
I can't find my pen.who_______it?（take）
He said that he _______back in five minutes.（come）
I didn‘t meet him,he_______when I got there（leave）
He _______down and began to red his newspaper .（sit）
I _______with you if I have time .（go）
we will go to the cinema if it _______fine （be）
The bike is nice .How much _______it _______?（cost）
换句型
Father bought me a new bike （否定句）
Father_______ _______a new bike me
Frank read an interesting book about history.（一般疑问句）
_______Frank _______an interesting book about history?