---Are there any kites________ the tree? ---No, but there is an apple ______the tree. A. in, in B. in, on C. on, in
-Will she ________ go with you? –Well, I’m not sure.
No one ________ paper, pens and pencils
They’ll finish the work _________ time.
Mr Smith always goes for a walk with his dog when he is_________.
—There will be ________ factories in 100 years. —Really? Where will people work then?