Dont turn off the computer before closing all programs，_____ you could have problems.
（A）or
（B） and
（C） but
（D） so
查看解析
参考答案
继续答题：下一题
更多高中英语试题
- 1Jerry did not regret giving the comment but felt ________ he could have expressed it differently.
- 2Jack wasnt saying anything，but the teacher smiled at him _____ he had done something very clever.
- 3This is ________ there is a saying that if you want something done, ask a busy person to do it.
- 4______the students came from different countries, they got along quite well in the summer camp.
- 5She has a gift for creating an atmosphere for her students ______ allows them to communicate freely with each other.
- 6The children，______ had played the whole day long，were worn out.
