砖砌体的灰缝应横平竖直,厚薄均匀。水平灰缝厚度宜为(),但不应小于8mm,也不应大于12mm。
A.10mm
B.8mm
C.6mm
D.12mm
参考答案:A
_______ the sun sinks lower, shadow spread ________ the courtyard.
A.When; through
B.When; across
C.As; through
D.As; across