He was amazed at __________.
A. how the airline had been efficient.
B. how had the airline been efficient.
C. how efficient had been the airline.
D. how efficient the airline had been.
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It doesn’t matter ________.
A. if or not he likes it
B. whether or not he likes it
C. he likes it or not
D. he likes it
It was about twelve o’clock ______ I finished writing the report.
A. when
B. since
C. while
D. the time
Life in the future will certainly be different from what it is now, _____ point of view people make take
A. The
B. no matter
C. whatever
D. whichever
The money spent on medical insurance last year was four times _______ ten years ago.
A. much more
B. that as much of that
C. as much as of
D. as much as that of
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