It was in the school____he had studied____he began the important experiment.
| A．that;where | B．inwhich;which |
| C．where;that | D．where;inwhich |
moment he saw Zhao Benshan’s funny performances, he burs into laughter.
| A．A;不填 | B．A；the | C．The;不填 | D．The; a |
Had the weather been good, the children ____ out for a walk.
| A．had gone | B．could have gone | C．would go | D．went |
The news has just ___ that the president is going to visit China next month.
| A．come out | B．put out | C．let out | D．given out |
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would ___ remain invisible.
| A．otherwise | B．yet | C．already | D．forever |
It was foolish of you to take a taxi ___ you could easily walk there in five minutes.
| A．while | B．when | C．since | D．before |