28. At a rough look, the area of the city is about ______ the old one.
He'll never say a word about it ___ you have explained it to him.
He hasn’t decided which hotel ___. Nor have I .
---How do you ___ the picnic? ---It's wonderful.
Is there enough time ___ now? Yes, take it easy.
I ___ get on the bus when I heard someone calling me from behind.’