As we all know, great changes _______ in China in the past thirty years.
The story ______ me, that is, I am _______ at the ______ story.
---Where were you at 10 o’clock yesterday morning?--- I was in ______.
---Which club would you like to join, art club or basketball? --- _______ is OK. I’m good at them.
---Will there be more trees? --- ______. I think we’ll have a more beautiful world in the future.
—Excuse me! Look at the sign __________ on the wall, please.—Sorry. I won’t take photos any more.