"___ Libya’s oil production returns tonormal, I guess, it will be fifteen months," said a UN expert．

_ you call me to say you’re not attendingmy birthday party, I’ll see you at it

we can avoid _________ with rest and a balanced diet.

she is not so cheerful she used to be?

I heard they went skiing in the mountains last winter.— It ________ true because there was little snow there. [ ]