___ World War Ⅱ, DDT has been used in large quantities.
A.because
B.although
C.for example
D.since
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____ an old store building.
A. here’s
B. there’s
C. their’s
D. there has答案:A
My roommate is much more intelligent than I and he makes me feel ____.
A. superior
B. inferior
C. prior
D. particular
She is a ____ observer of slight differences in accents.
A. common
B. peculiar
C. subtle
D. plentiful
The cost of the material is ____ in the bill for the work.
A. dismissed
B. excluded
C. rejected
D. discovered