—I could believe my eyes when I came to Nanjing last year.—Yes. Great changes have taken place in the past few years.
Don't_______ the TV. My baby is sleeping now.A. turn on B. turn off C. turn down
—Which do you prefer,green tea or coffee?—________.thanks. I'd like a glass of water.A. Either B. Neither C. Both
My uncle is ________ engineer. He works very hard.A. the B. a C. an
—How do you study English?—I study English ______ talking with foreign students.
—Who is the man over there?—He is an old friend of _________ .