He was very nervous in the contest．Otherwise，he _____________ the first prize．
| A．will win | B．would win |
| C．would have won | D．had won |
The workers were not better organized, otherwise they ____________ the task in half the time.
| A． |
accomplished |
B． |
had accomplished |
| C． |
would accomplish |
D． |
would have accomplished |
Tom is so independent that he never asks his parents' opinion _________ he wants their support.
| A． |
since |
B． |
once |
C． |
unless |
D． |
after |
The professor warned the students that on no account _____________ use mobile phones in his class.
| A． |
should they |
B． |
they should |
C． |
dare they |
D． |
they dare |
Their child is at the stage__________ she can say individual words but not full sentences.
| A． |
why |
B． |
where |
C． |
which |
D． |
what |
Most colleges now offer first-year students a course specially ___________ to help them succeed academically and personally.
| A． |
designed |
B． |
designing |
C． |
to design |
D． |
being designed |