建筑方格网布网时,方格网的边长一般为()。
A.80~120m
B.100~150m
C.100~200m
D.150~200m
参考答案:C
My aunt is ____________ writer. [ ]
A. a
B. an
C. /
It remains doubtful whether the project _____________ next month will bring profits to the company.
A.accomplished
B.to be accomplished
C.having accomplished
D.being accomplished