–Are they ______books? --No, they aren't. They're ______ books.
—Is the girl in red Jim’s sister?—____
Please help Jack ____ his bike. It’s missing(不见了).
—I’ll help you find him, Mary.—____
My dress ____ blue ____ yours. I like (喜欢) its (它的) color, but it is too short.
—Are the black shoes ____?—No. It’s ____.