问题
选择题
---There is a tall building on Taoze Road. Do you know?
---I know it. It ________ has 10 floors.
A．most
B．at least
C．least
D．will
答案
答案：B
考查短语：at least至少，句意：在Taoze Road有一座高楼，你知道吗？我知道，它至少有十层。故选B。
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