Traffic is bad, ________ in the city center during the rush hours.

I can’t thank you ________ much because without your help I ________ have won the first prize.

Anyone, whether he is an official or a bus driver, should be ______ respected.

Fortunately somebody who happened to be passing by called the emergency aid        the traffic accident occurred.

—The poor weather was _________ responsible for the crash.—I’m with you on that. Carelessness was also to blame.