As a student, we should be confident enough to _________any challenges.
— I think Mr. Zhang may be in his office.— No, he _____ be there. I saw him ____ there just now.
—I eat___ vegetables and ____ _meat than I did last year.—That’s why you’re getting fatter.
I am waiting for my friend. , I will go swimming alone.
—Why not come and join us in the game?—__________, but I must meet Mr. Smith at his office now.
—Do you know Xidan Girl?—Of course. She played _____ guitar and sang song in the 2010 Spring Festival Gala.