头条考试网作业帮,慧海网手机教育考试作业频道
完成时态 be supposed toNancy is supposed to have finished the chemical experiment at least two weeks ago. 为什么句中要用完成时态,而不直接用be supposed to do?
来源:学生作业帮助网 编辑:
作业帮
时间:2024/09/10 09:26:24
xQ[N@, %t&L-M mHGh)`EJI^-:"~?|Ϲ