The radiation of uranium was then regarded as_____secret of_____nature.
A.a;the | B.a;a | C.the;the | D.a;/ |
Lucy is a very optimistic girl. ______ she is faced with difficulties, she always sees the bright side.
A.Every time | B.Now that |
C.As soon as | D.On condition that |
All the people on the list must be told to attend the meeting; you must make sure that no one is _______.
A.left out | B.set aside |
C.cut off | D.kept away |
The task is very difficult. I wonder whether we will be able to finish it in the ________ of any other helpers.
A.appearance | B.escape |
C.spare | D.absence |
If you pay for the computer in cash, you could have a 5% discount; _______ we can deliver it to you for free.
A.in demand | B.in addition |
C.in return | D.in place |
The project ______ last month but unfortunately it had to be prolonged because of the financial problem.
A.needn’t have been finished |
B.shouldn’t have finished |
C.could have been finished |
D.must have finished |