— We can use QQ to talk with each other online.— Really? Could you please show me _______ it?
Thanks ____ the photo ____ your family
—What are those? —are their books.
—Is this _____ schoolbag? —No. It's _____.
Not only oral English but also written English _____ important.
—We’ll make a trip to Hainan Island next weekend. Will you go with us? —No, I can’t _____ it at present.