第一节：单项填空。
21.--____How about going to Beijing to visit the Water Cubie And Bird Nest in the coming holiday?
----_________That’s what I’m considering.
A My pleasure B Let me see C Fantastic D it depends
22. He can’t have caught the early train because the early train _______when he _________there.
A .left; had arrived B has left; arrives C left; arrived D. had left; arrived
