How many months did the study last?
举一反三
- How many people did the researchers study to analyse the DNA of the human body? ( )
- 中国大学MOOC: For how many years did Trojan War last？
- How many years did the wars between Xiang Yu and Liu bang last?
- How many months are there in a year?
- How many months did the man work for the accounting firm A: 5 months. B: 6 months. C: 7 months.