15. —When Lily fainted, we could have turned to your father for help. —Yes, sending her to hospital _________ necessary.
The words____if you don't go over them for several days.
A talk on American culture____in the school hall this weekend.
The class____on everything they havelearned this year.
She____for her lost son in the evening paperbut nobody answered her.
When the factory____, there will be manynew jobs for graduates.