It's________orange dog.A.a B.an
—________ are you going?—This afternoon.A.What B.Where C.When
I want to buy ________ shoes.A.a pair of B.pair of C.two pair of
I'm going to ________ a science teacher one day.A.do B.be C.is
Amy ________ going to read books.A.isn't B.aren't C.am not
—Are you going to use any books?—________ A.Yes,you are. B.Yes,I am. C.Yes,I am going.