Examination compositions, together with most business letters and government reports, are the main situations ____ formal language is used.
| A．in which | B．on which | C．of which | D．for which |
The old man said the accident________ careless driving
| A．was due to | B．due to | C．is due to | D．has due to |
I don’t think _________ is possible to master a foreign language without much memory work.
| A．this | B．that | C．it | D．its |
The visiting minister expressed his satisfaction with the talks, _________ that he
had enjoyed his stay here.
| A．having added | B．to add | C．adding | D．added |
Though the girlto learn Japanese, she couldn’t catch up with her classmates.
| A．made effort | B．made an effort |
| C．took every effort | D．gave her efforts |
The accident that resulted ________the death of two passengers resulted ________careless driving.
| A．in；on | B．in；from |
| C．on；in | D．from；in |