Her teacher helped her so much that she bought him a beautiful pen _________.
| A．by turns | B．in return | C．in answer | D．in turn |
The best job iswhich uses your skill in doing something together with your interest in the subject.
| A．something | B．the one | C．one | D．it |
——There must be a dozen pens in this house but I can never find one when I need one.
——Keep looking. is sure to turn up.
| A．One | B．It | C．That | D．This |
Who can you turn to in time of danger, it not .
| A．any | B．us | C．we | D．ours |
——Which of the two books do you want?
—— I want . Please show me.
| A．none; another | B．all; the other | C．neither; the other | D．neither; another |
Some people would rather ride bikes as bike ridding hasof the trouble of taking buses.
| A．nothing | B．none | C．some | D．neither |