Our manager is going to have a new factory _______ on the ruined one.
I thought it a pity __________ him to the tea party.
.A reward of 1,000 dollars will be given ________ can find the lost child.
.So often ______ in recent years that it has almost become a rule.
.The farmer who admitted ______ the tiger was severely punished.
.They ______ be at home. You see, the door is locked from the outside.