—We have red and yellow T-shirts. Which color do you like? —I’m afraid . I think blue will be OK.
______ these your _________?
Tom and I _______ good friends . He _______ twelve.
-- _____ do you spell “book”? -- B-O-O-K.
---- Is Mr Wang your English teacher, Li Lei ---- ___________.
--- Where’s my basketball? --- It’s _______ the door.