When John was growing up, other kids felt sorry for him. His parents always had him weeding the garden, carrying out the garbage and delivering newspapers. But when John reached adulthood, he wa
My father isn't here now. He ___Shanghai. He ___ there twice. A. has gone; has been B. has gone to; has been to C. has been to; has gone D. has gone to; has been
--- Will you take up teaching as a career after graduation? --- Hard to say. I _______ go abroad for higher education instead. A. should B. must C. might D. shall
