since和for的题目,I have been studying at NESE_________ january.My head hurts!I have had a headache_______________four hours.Jake hasn't worked__________last summer.He has been unemployed___________seven months.I am so hungry!I haven't eaten anything_______yesterday morning!We haven't eaten anything__________a day! They have been playing tennis _____________9:00 am.

问题描述:

since和for的题目,
I have been studying at NESE_________ january.
My head hurts!I have had a headache_______________four hours.
Jake hasn't worked__________last summer.
He has been unemployed___________seven months.
I am so hungry!I haven't eaten anything_______yesterday morning!
We haven't eaten anything__________a day! 
They have been playing tennis _____________9:00 am.

I have been studying at NESE__since_______ january.
My head hurts!I have had a headache________for_______four hours.
Jake hasn't worked____since______last summer.
He has been unemployed_____for______seven months.
I am so hungry!I haven't eaten anything__since_____yesterday morning!
We haven't eaten anything___for_______a day!
They have been playing tennis _____since________9:00 am.