I __________ back to Chongqing a month ago.A 、went B、had gone C、will go

题目

I __________ back to Chongqing a month ago.A 、went B、had gone C、will go
选出正确的啊
I__________ my daughter since last month.
A、heard from B、has heard from C、have heard from

答案

1.有确切时间“a month ago”一个月以前,应该用过去时
选A
2..since last month表示从过去某时开始持续的一段时间,应该用现在完成时
选C