It is requested that the engineer ______ the design immediately.
A. works out
B. to work out
C. worked out
D. (should) work out
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“Who can tell me the (imply) ____of this proverb?” the teacher asked.
Mary’s skirt is too long so her mother has it (short) ____.
This is not a serious problem. It can (settle) ____easily.
It was his intelligence and hard work that (able) ____him to succeed in his professional career.