I think that he must be looking up the information in the library, ______?
_____ with the size of the whole earth, the biggest ocean does not seem big at all.
People often use plastics to ______ wood or metal.
He convinced me ______ the difficulty of the work.
.If you are unable to attend the interview, for __________reason, you should inform us immediately.
You should write it in a style which is__________to your subject.