--- What did the professor tell you to do?
--- I had to write a ________ report.
A.three-thousand words
B.three thousands word
C.three-thousand-word
D.three-thousand-words
答案:C
--- What did the professor tell you to do?
--- I had to write a ________ report.
A.three-thousand words
B.three thousands word
C.three-thousand-word
D.three-thousand-words
答案:C