Xi’an was attacked by such a terrible smog _____ few residents had ever experienced before.
| A．which | B．and it was | C．as | D．that |
There is often disagreement on ____ is the better student．James or Celina？
| A．who | B．what | C．that | D．whose |
____ out how to put our furniture or we'll have to wait for another week to move in．
| A．Figuring | B．To figure |
| C．Figure | D．Figured |
In his youth，Ma Yun finally attended Hangzhou Teacher's Institute he failed the entrance exam twice．
| A．unless | B．after | C．since | D．until |
____carefully for a long time，the opening was a great success
| A．To have been prepared |
| B．Having been prepared |
| C．To be prepared |
| D．Being prepared |
–He ____ the Most Popular Teacher in his hometown，right？
-Yes．ten years before he came to this school．
| A．is awarded |
| B．has awarded |
| C．was awarded |
| D．Awarded |