His uncle’s work is ________ the building. (A) clean(B) cleans(C) to clean(D) cleaning
His uncle’s work is ________ the building.
(A) clean
(B) cleans
(C) to clean
(D) cleaning
相关考题：
Peter's jacket looked just the same as Jack’S，but it cost____________his．A．as much twice asB．twice as much asC．much as twice asD．as twice much as
HIS颜色模型中的S表示饱和度。（）