Not until she took off her dark glasses ________ she was a famous film star.
| A．I realised | B．that did I realise | C．did I realise | D．that I realised |
15.At the meeting, a proposal that he should take charge of the project _____.
| A．put forward | B．came up | C．came up with | D．Showed |
14.Teachers _____ their knowledge to their students .
| A．pass by | B．pass to | C．pass over | D．pass on |
13.Rainforests _____ and burned at such a speed that they will disappear from the earth in the future.
| A．cut | B．are cut | C．are being cut | D．had been cut |
12.He got well –prepared for the job interview, for he couldn’t risk _____ the good opportunity.
| A．to lose | B．losing | C．to be lost | D．being lost |
11.Your sister has grown up. She is no longer ___ she was five years ago when I first saw her.
| A．what | B．who | C．that | D．whom |