______I had done it, I knew I had made a mistake.
A. Direct
B. Directly
C. Moment
D. Constant
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I'll cook the potatoes if someone will ______ them first.
A. skin
B. peel
C. strip
D. uncover
It is reported that an increasing number of people ______ building more nuclear power plants.
A. assent
B. approval
C. favor
D. flavor
75()
A. that
B. since
C. when
D. before
69()
A. look
B. deal
C. treasure
D. estimate