The young teacher found it hard to _____ his explanation in class to most of the class. [ ]

____ to visit you later that day, but I had to phone and cancel.

________ of them knows the answer. What can we donow — Let’s ask a third boy for help.

301 In the middle of last century planesbegan to be used to transport both passengers and goods The underlined wordsmeans ____

It was ______ the second-hand car that themechanic spent the whole afternoon in the factory.