Scientists have shown that there is a connection ____ cigarette smoking and certain diseases.
| A．with | B．between | C．to | D．on |
Could you show me the TV set you’d like ________?
| A．to have repaired | B．repairing it | C．to have it repaired | D．to repair it |
Now an increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.
| A．price | B．cost | C．expenses | D．pay |
Darwin counted 225 flowering plants, ________ he collected and brought home 193.
| A．that | B．in that | C．of which | D．all of which |
When somewhat better ________ academically, he returned home to continue his research.
| A．equipped | B．had equipped |
| C．provided | D．providing |
This new teaching approach is specially ______ to develop children’s problem-solving skills.
| A．designed | B．devoted | C．concentrated | D．hoped |