句子写作：Iwasveryembarrassed.Ididn’tknowwhatIshoulddo.
I was very embarrassed ;I didn ’t know what I should do.
暂无解析
Ifanearthquakeoccurred，someoftheone-storeyhouses________.
Whatarethekeyfeaturesofaresearchpaper?
What are the key features of a research paper?
How many forms can articles be roughly divided into?what are they?
句子写作：Thehouse____isstillstanding.