Paris is________most beautiful city，where you can see_______famous Eiffel Tower．
| A．a；the | B．a；不填 | C．the；a | D．不填；the |
Some insects_______ the colour of their surrounding to protect themselves.
| A．taken in | B．take off | C．take on | D．take out |
—We’ve spent too much money recently.
—Well, it isn’t surprising, Our friends and relatives_______ around all the time.
| A．are coming | B．had come | C．were coming | D．have been coming |
Joining the firm as a clerk, he got rapid promotion, and _______ as a manager.
| A．ended up | B．dropped out | C．care back | D．started off |
It seems that living green is _______ easy and affordable. A small step makes a big difference.
| A．exactly | B．fortunately | C．surprisingly | D．hardly |
The factory used 65 percent of the raw materials, the rest of which _______ saved for other purpose.
| A．is | B．are | C．was | D．were |