—The problem is very difficult. I'm afraid you can't work it out now. — I fail this time, I will try it again.
---Excuse me. Could you tell me the way to the zoo? ----Sorry, I’m new here. ----Oh.______.
_____ her mother after being separated for 20 years, she couldn’t help, even though she tried not to, ______.
He said that not until the wheat died from the lack of water_____ how serious the drought was.
It’s his fault, not mine. I’d shoot myself _____ I apologized to him.
Even though it is at least 20 years _____ we got to know, I can’t forget the scene_____ we were introduced to each other.