His car ______ yesterday, so he can not go to work by car.

He spoke about the country as if he had been there, but ________ he had never.

George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church. 

The teachers are supposed to teach us about “safe sex” but most of them are too________.

The boy is very brave. I _______ he ________ the tall tree.