window A、地板 B、窗户
It was very ________.A.interesting B.interested C.interest
I was ________ the bookshop.A.of B.at C.on
There were a lot ________ new books in it.A.for B.at C.of
—Were you at home yesterday?—No, I ________.A.was B.wasn't C.were not
You ________ at home.A.were not B.not C.was not