You should really smoking. It’s a terrible habit.
I was watching TV ____ the thief came into the house.
Look! The boy is sitting ____ a tree.
— ____ you reading at this time yesterday? — No, I was ____ .
Mrs Green is ________ mother. A.Jim and Kate B.Jim’s and Kate’s C.Jim and Kate’s
We have ________ students. A. fourty –four B. four – fourty C. forty – four