---How many students are there in the playground? ------ .
—Which jacket do you prefer, this one or that one?— is OK. I don’t care too much.
—Is this red bag yours?—No, it isn’t. is that black one.
Mom, I like green T-shirt. Could you buy it for me?
—Is your headache getting _______? —No, it’s worse.
—Which is your new neighbour, Liu Hua? —The man _______ T-shirt is red.