The headmaster asked the boy to apologize ______ the teacher _______ what he had done, but he refused to.
A.for; for | B.to; to | C.for; to | D.to; for |
China’s police authority banned on drink driving,aimed______serious traffic accidents.
A.to preventing | B.at preventing | C.preventing | D.prevented |
—as your former classmate come back from the USA?
—Yes, he ____ there for eight years.
A.has stayed | B.stays | C.stayed | D.had stayed |
____ is no doubt ____ our class will win the first prize in the final match.
A, It; whether B. There; that C. It; that D. There; whether
Although he knew little about the large amount of work done in the field, he succeeded ________ other more well - informed experimenters failed.
A.which | B.that | C.what | D.where |
—Is the experiment easy?
— ________ . I’ll just do my bit.
A.I think so | B.Certainly | C.Not a little | D.Anything but |