s marriage to the billionaire’sdaughter got him through his hardest time, ________years later he wondered whathe could have done differently

She witnessed an accident ______ a minibus had a head-on crash with a taxi.

Would you like to go and see Monsters University (《怪兽大学》) with me tonight—I’d love to, but I ______ it twice.

May I take yourorder now —______.

I have two children， and ______ of them are working in the west of China.