下列 * * 中曾经先灭辽、后灭北宋的是[ ]
A．唐朝
B．元朝
C．西夏
D．金
答案：D
The sweater costs______ that I won't be able to buy it. [ ]
A. so expensive
B. so much
C. so high
D. too dear
A．1
B．2
C．3
D．4
