Effective measures should be taken to ______ the rare species _______ being over-killed by human beings.
A.keep; against | B.prevent; from |
C.stop; against | D.protect; from |
Paul was not allowed to work he was fully recovered from the flu.
A.even if |
B.whether |
C.because |
D.until |
She cared more about her students than her own health. That’s why two years passed _____ she was treated for breast cancer.
A.since |
B.before |
C.after |
D.until |
It was 1995 __________ we began to develop the new computer system.
A.when |
B.which |
C.since |
D.that |
Tom is good a studenthe is often praised by the teacher.
A.such; as |
B.so; as |
C.such; that |
D.so; that |
If this bridge can't be repaired, ____ will mean no food will be transported to the flooded areas.
A.what |
B.it |
C.as |
D.which |