Nancy's voice was so low that _______ students in our class could hear her.
A:all
B:many
C:few
D:most
把5米长的铁丝平均截成8段,每段长____米,每段是5米的____。
有“世界屋脊”之称的大高原 ( )
你告诉老师,你的理想是成为一名工程师,你说:____