The findings of the research, _________ on a lot of experiments, are convincing.
| A．to base | B．based | C．is based | D．basing |
Looking at a situation in a new way will make _______ easier to find new solutions.
| A．us | B．this | C．one | D．it |
There is an obvious _______ between children spending too much time playing computer games and their bad grades at school.
| A．possibility | B．connection | C．chance | D．cause |
Thanks to the timely treatment, the patient _______ people all thought would die slowly recovered.
| A．which | B．whom | C．who | D．as |
— The number of private cars is growing all the time.
— Yes, I can’t believe how often we get _______ in traffic jams.
| A．lost | B．separated | C．stuck | D．hurt |
George couldn't remember when he first met Mr.Anderson,but he was sure it was______Sunday because everybody was at______ church.
| A．/; the | B．the; / | C．a; / | D．/; a |