— How often do you refer to a dictionary when you are reading an English novel?— Well, it depends. ____ it actually affects my understanding ____ look the word up.
The poor man , ________,ran out of the dark cave.
The stone bridge __ _last year is very beautiful.
Come and see me whenever ___________.
Tom raised his handsto say something, but he remained silent in the end.
Not until the early years of the 19th century ________ what heat was.