I would like _____you to my birthday party,but I was busy and forgot to call you.
There is no doubt ________ he will succeed.
________ my surprise, ________ I could have a word with him, he left.
The school ________I studied for only two years was three kilometers away.
After ________ hard, I got a job in a gold mine.
It's helpful to put children in a situation ________ they can see themselves differently.