---She’s feeling very sad over___ of school trip tomorrow. ---So would you if you fell ill on such an occasion.
I had walked a few steps _______ I realized that I was lost in the thick fog.
His idea of having weekly family meals together, which seemed difficult at first, has _______ many good changes in their lives.
There is no possibility, I guess,________ our exam will be put off.
Professor Smith, along with his assistants, _______ on the project day and night to meet the deadline.
I have $20 000 and I need $25 000,but my parents have promised to _______ the difference.