It is the custom for people to get together on New Year’s Eve, ______ fun with each other.
The worker and poet _____ to the party the other day.
Betweentworowsoftrees_____theteachingbuilding.
Thenumberofpeopleinvited______fifty,butanumberofthem____absentfor differentreasons.
You, who ______ his good friend, should help him get out of trouble.
More than one student _________ read the novels, which _________ written by David.