Thank you for _____________ CCTV’s Around The World show.
—Would you mind opening the window?—____. Look at the heavy haze (霾) outside.
It’s ____ useful book. And ____ book is popular with students.
—Is your headache getting _______?—No, it’s worse.
—Which is your new neighbor, Liu Hua?—The man _______ T-shirt is red.
—Do you know _______ the Capital Museum?—Next Friday.