If we let this situation go as it is，our environment will______a great destruction.
A. suffer B. allow
C. apply D. deliver
All these donations must be delivered immediately________in time for Christmas.
A. so as to have received B. in order to be received
C. so as to receive D. in order to be receiving
Studies show that people are more likely to________from back problems if they always sit before computer screens for long hours.
A. suffer B. escape
C. graduate D. prevent
My English teacher’s humor was ______ make every student burst into laughter.
A. so as to B. such as to
C. such that D. so that
The child asked his mother________go out to play tennis.
A. that he could B. if he could
C. whether could he D. that could
be
Seeing the looks on their faces，we can't really imagine what they are________.
A. going by B. going up
C. going through D. going on
