问题
选择题
The suit _____ over60 dollars.
A.had costed
B.costed
C.is costed
D.cost
答案
答案:D
cost的过去式及过去分词应该是和原形一致。
The suit _____ over60 dollars.
A.had costed
B.costed
C.is costed
D.cost
答案:D
cost的过去式及过去分词应该是和原形一致。