—How do you find our campus?—Impressive! I like the small lake best, around which _____ lines of tall trees.
—Are you free tomorrow afternoon?—I'm afraid not. I'll have to __________ an important lecture given by a famous professor.
—Pity you missed the lecture on nuclear pollution.——I __________ it, but I was busy preparing for a job interview.
—How do you do, Mr Smith? Thanks for meeting me here.—You are welcome. You must be __________ after a long walk.
We had a long and __________ meeting this morning. All of us were __________.
Premier Wen Jiabao has many important __________ of state __________.