___________, land may not be ruined.
举一反三
- 中国大学MOOC: _____(give) proper care, land may not be ruined.
- 【单选题】__________, land may not be ruined. A. When giving proper care B. Unless giving proper care C. Given proper care D. To give proper care
- ______ of the buildings were ruined.
- is an airport to which an aircraft may proceed if it becomes impossible to land at the intended airport.
- 16. I got caught in the rain and my suit ______. A: has ruined B: had ruined C: has been ruined D: had been ruined