.It was ____ my teacher worked ____ I work hard.
| A．where; that | B．where； where | C．that; that | D．that ;where |
The building around the corner caught fire last night. The police are now ______ the matter.
| A．getting through | B．worki ng out |
C．looking into | D．watching over |
A survey was carried out on the sleep time of students in middle schools, ______ were surprising.
| A．its results | B．whose result | C．the results of which | D．of which results |
---Do you have ______ for the party, Mary?
---No, we still have to get another five chairs and some fresh flowers.
| A．something | B．everything | C．anything | D．nothing |
Was it in 1969______ the American astronaut succeeded ______ landing on the moon?
| A．when; on | B．that; on | C．when; in | D．that; in |
---What do you remember Alexander Graham Bell as?
--- ______ inventor of ______ telephone.
| A．an; / | B．the; a | C．the; the | D．/; the |