There are a lot of trees on _______________ sides of Century Avenue in Pudong.
—Shall we go out for a walk?—Sorry, I can’t. I _______ my homework.
I’m sorry, I didn’t _______ you clearly. Would you say it again?
I ________ ride a bike to school. But this morning I took a taxi because I got up late.
Which is the _______ way to Qingdao, by plane, bus or train?
—May I have a look at _______ book tonight?—Of course, you can. I have ________ old one at home.