when did you come here ()the end of last month How long have you _英语解答

when did you come here ()the end of last month How long have you been here?”
How long have you been here?” “_______ the end of last month.”
when did you come here ()the end of last month ,i think
When shall we finish the project?--- _______ the end of this month,I think
a.since
b.by
c.at
这如何区别哪

人气：344 ℃　时间：2019-11-15 02:39:08

解答

How long have you been here?” “___a. since____ the end of last month.”since+过去时间点,是指一段时间,回答how longwhen did you come here (c. at)the end of last month ,i think at the end of......