The custom has been___since the 18th century
It was not until 7 o’clock in the evening________to an end.
As most of their houses were badly damaged after the earthquake, many people had to be________in a stadium.
The captain gave an order in the difficult situation________the sailors throw away everything that was on board the ship.
Disthinguished guests and friends, welcome to our school! ________the ceremony of the 50th anniversary this morning are our alumni (校友) from home and abroad.
—Can we fix a time for the party? —We can’t have the party________none of us have any classes.