The loss has not yet been ______ accurately, but it is believed to be well beyond a hundred million dollars.
| A．calculated | B．considered | C．completed | D．controlled |
–Mum, I failed again in today’s examination.
--Oh, ________. The world is not _______.
| A．come up; at its end | B．Cheer up; in the end |
| C．Look up; at the end | D．Take it easy; at an end |
_____surprised me most was _____such a little boy of seven could play the violin so well.
| A．That...what | B．What...that | C．That...which | D．What...which |
Bobby ______ me your secret, but he meant no harm.
| A．shouldn’t have told | B．should tell |
| C．mustn’t have told | D．could tell |
We must do whatever we can to____________the river being polluted any more.
| A．separate | B．keep | C．prevent | D．guard |
. His success was because of ________ he had been working hard.
| A．that | B．the fact which | C．the fact that | D．the fact |