After the accident, the police spent a week finding out the person who ______ it.
| A．witnessed | B．stared |
| C．proved | D．heard of |
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 |
It is the teacher____taught me when I was a child____I am going to visit.
| A．that;which | B．who;which | C．who;that | D．whom;that |
She won’t leave the TV set,____her husband is waiting for his supper.
| A．as though | B．even though | C．whether | D．whenever |
— ____make she different from the othe rstudents?
—Honesty,Ithink.
| A．How is it that | B．How is that | C．What is it that | D．What it is that |
.He wen thome for lunch____the clock struck twelve.
| A．while | B．immediately | C．right away | D．atonce |