Did you tell your parents about the result?—Oh, no, I forgotI them now

一 I _____ to your birthday party last Sunday. 一 Unfortunately, you were out on business. [ ]

So mysteriously ______ missing that many puzzles wait to be solved.

He never __________ to help those in trouble because he was a kind－hearted man. [ ]

You didn’t go to school yesterday, did you —_____ , though there was a heavy rain.