The light railways and subways make it ________ for people to travel around Chongqing.
—Did you see ________ ball pen just now? —Is it _______ black one? I saw it somewhere.
He didn't find ______ in the newspaper.
---Would you like to go out to play football with me? --- ______ But I should do my homework first.
Anhui is ________ the east of China. Japan is __________ the east of China.
---Is ______ here? ---No, Tom isn’t here. But it’s time to have class.