问题
选择题
Your trousers ____dirty, you must have _____washed.
A.is; it
B.are; it
C.are; them
D.is; them
答案
答案:C
Your trousers ____dirty, you must have _____washed.
A.is; it
B.are; it
C.are; them
D.is; them
答案:C