Have you found the keys (a)   you lost?

The woman (a)   came here five days ago has gone to Canada.

I don’t like stories (a)   they have unhappy endings.

The tree (a)   fell on his house was a hundred years old.

The car (a)   knocked down a pedestrian was driven by a woman.

The country (a)   they come from Thailand.

Sheila couldn’t come to the party, (a)   was a pity

The dress (a)   Lisa bought doesn’t fit her very well.

The boy (a)   was injured in the accident was dead.