This box is big. That _____ is small.
A. one
B. ones
C. one's
D. ones'
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Give _____ some glasses.
A. me
B. I
C. my
D. mine
They are _____.
A. apple
B. mans
C. Japanese
D. boxs
The ______ are Swedish.
A. customs officer
B. a customs officer
C. customs officers
D. customses officers
以下的西门子产品系列中,哪个是小型系列?
A. S7-200
B. S7-300
C. S7-400