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【单选题】
( )techniques, particularly chromatographic methods, are necessary and valuable in the analysis of phar m aceuticals.A.
Determination
B.
Measurement
C.
Quantification
D.
Separation
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A.
If were I
B.
I were
C.
Were I
D.
Was I
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A.
will
B.
would have
C.
would
D.
were going to
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A.
If I was
B.
I were
C.
Was I
D.
Were I
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A.
was; will
B.
was; would
C.
were; would
D.
were; will
【单选题】— Where ____________ you last Sunday? — I ____________ in New York. [ ]
A.
was, was
B.
were, were
C.
were, was
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