____will you be staying in China?----About 10 days.
A. Howoften
B. How much
C. How many
D. How long
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二灰稳定类结构层施工方法主要分为( )和( )两种。
What does “subway” mean?
A. 火车
B. 地铁
C. 飞机
D. 交通工具
无机结合料稳定类基层和底基层实测项目有( )、平整度、纵断高程、宽度、厚度、横坡度和强度。
I know you are interested ___ architecture.
A. to
B. in
C. at
D. on