霍乱弧菌的主要致病物质是
A
暂无解析
Tomhasbeenavegetarian____principleforyears.
It’simportant_____aforeignlanguage
"Thelecturerwasatallthinmanwithwhitehair.""Thenit_______Dr.Fellbecauseheisshortandfat.It_____Dr.Jones;heisthin."
Mario:Yourbelovedteacherhasarrivedhere,Nina.
Nina:I______she______untiltomorrow.
Thereason____(为什么这事情会这样)isnowclear.Idon'tneedtoexplainitoncemore.