When he is free, he often helps his parents ________ some housework.
—What does she look like? —____
—Dongdong, ____ toy car is that? —It’s ____.
—____, Tom. Is this your book?—No, it isn’t. I think it’s ____.
—Is that girl Kate Green? —Yes, ____.
—Is the boy in white clothes your friend, Kangkang? —No. ____ in black clothes is.