【单选题】
I'm tired. I（）working very hard.
A、have
B、am
C、had
D、have been
查看正确答案A、Would you like B、What about C、Why don’t you
搜题
更多“I'm tired. I（）working very hard.”相关的问题
第7题
A、It says 8:00. But it‘s 5 minutes slow. B、I‘m sorry I‘ve forgot the time. C、I was caught in the traffic jam. D、I‘m sorry to keep you waiting.
