After many years of hard work, his dream _________ at last.
______ he referred to in his article was unknown to the general reader.
After a knock at the door, the child heard his mother’s voice ______ him.
Pop music is such an important part of society ______ it has even influenced our language.
The little boy came riding full speed down the motorway on his bicycle. ______ it was!
With the help of high technology, more and more new substances ______ in the past 10 years.