For some time now, Chinese people under the leadership of CPC____ the contents of Scientific Development Theory in the course of practicing socialism in China．
| A．had been improving | B．have been improving |
| C．were improving | D．improved |
29. Jim passed the driving test, ____ surprised everybody in the office.
| A．which | B．that | C．this | D．It |
28. Last month, part of Southeast Asia was struck by floods, from ____ effects the people are still suffering.
| A．that | B．whose | C．those | D．What |
27. ---Why does she always ask you for help?
---There is no one else ____, is there?
| A．who to turn to | B．she can turn to |
| C．for whom to turn | D．for her to turn |
26.He was educated at a local grammar school, ____ he went on to Cambridge.
| A．from which | B．after that | C．after which | D．from this |
25.I have many friends, ____ some are businessmen.
| A．of them | B．from which | C．who of | D．of whom |