27. I wonder whether the police ______ that lost child or not
__________ David could remember, he had never said an angry word to that customer.
________ enthusiasm when he heard our advice, he didn’t take any notice.
You must have waited here for a long time, __________?
Although a teenager, Fred could resist ______ what to do and what not to do.
Mr. Blake __________my letter, otherwise he would have replied by now.