Ⅰ.单项选择（共15小题，计15分）
( ) 1. Does he study_______ working_______ his friends?
A．in; by B．on；with C．by；with D．by；on
( ) 2．— Do you like the pop star Zhou Jielun or the movie star Liu Dehua?
— ________. I am not their fan.
A. Both B．Either C．Neither D. All
( ) 3. Uncle Wang ________a worker and he is sixty now.
A uses to B used to C used to be D was used to
( ) 4. If I were a bird, I ______ in the blue sky.
A. will fly B. fly C. would fly D. had flied
