Check your paper carefully to see ________ you have made any mistakes.
Peter received a letter just now ________ his grandma would come to see him soon.
______ he referred to in his article was unknown to the general reader.
The Town Hall ______ in the 1800’s was the most distinguished building at that time.
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.