—The book green cover is more interesting.—Yes. its writer is less popular now.
I’m going to Sanya for the summer holiday ?-------______________!.
---Are you going to Shanghai by plane ? --- It’s fast , but expensive. So I’m not sure. I____ take a train
The Changjiang River is one of the _____ in the world.
Many foreign leaders arrived _Beijing __Nov.6th 2014 to attend the APEC . A. at on B. at in C. in onD. in in
Do you know ________?