I’d like to ___ my high school days, which were among the happiest in my life.
| A．look forward to | B．look out of | C．look for | D．look back upon |
--- Playing table tennis.
| A．killing time | B．to kill time |
| C．spending the time | D．to spend the time |
--- Yes. It is in the reading material ____ we ____ reading yesterday.
| A．that; did | B．that; were | C．when; were | D．when; did |
| A．is improving; taking | B．has been improved; being taken |
| C．improved; taken | D．is improving; have taken |
| A．it | B．one | C．this | D．that |
| A．wouldn’t | B．couldn’t | C．mustn’t | D．needn’t |