We bought ____ gifts in Beijing. [ ]
A. lots of
B. lot of
C. much
D. a little
答案:A
While he was investigating ways to improve the telescope, Newton made discovery which completely
changed man's understanding of color.[ ]
A. a; /
B. a; the
C. /; the
D. the; a
曹操自江陵将顺江东下,