____ he is very good at numbers.
As he is a small boy
B. A small boy he is
C. A small boy as he is
D. Small boy as he is
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____ Newton started to do experiments, he forgot about the time.
A. When
B. Once
C. If
D. As
____ hard I tried, I still couldn’t manage it.
A. No matter
B. However
C. Although
D. Though
We young people should go ____ the Party wands us to.
A. no matter where
B. to the place
C. to any place
D. wherever
线性标注的快捷键是(单独标注一段线段的快捷键)
A. o
B. ro
C. dli
D. a