Why so many youths are _____ on playingcomputer games often puzzles us a lot.

It was from only a few supplies that she had brought in the village ____ the hostess cooked such a nice dinner.

You ____ have set aside more time to play with our kids.—I wish I ______, but you know how busy I was.

opinion, this kind of dress _________professional women like you and me.

I really don’t know _________ I put my wallet after I paid the bill．