The number of people invited to the party ____ fifty, but a number of them ____ absent for different reasons.

There ________ lots of apples on the tree.

.A pair of glasses_______ on the table , but the glasses _______ yours.

—Lydia, what did our head-teacher say just now? —Every boy and every girl as well as the teachers who _____ to lead the group _____ asked to be at the school gate before 6:30 in the morning.

Those who _________ singing may join us.