西服领衬后中缝丝绺是（）。
A.纬纱
B.45度斜纱
C.斜纱
D.经纱
参考答案：B
- Have you ever read _____ essay on how to improve spoken English?
- Yes, I have. Now I speak English as _____ second language. [ ]
A. an; the
B. a; the
C. an; a
D. a; a
