He was driving home on the highway last night when he was stopped by a policeman，

I___ten minutes to decide whether I should go orremain. [ ]

Advertisements（广告）are like air-they are_______.

Four dollars a pair? Ithink it’s a bit too much.-If you buy three pairs, the price for each will _______to three fifty.[ ]

_______ that we were watching hisevery move, so he seemed to be going his own way in this business