---I called you yesterday, but no one answered.---I ______ my car when you called me.

The police confirmed that the victim was killed at the place _______she _______.

–Mary, could you tell me if your mother _____ our school sports meeting tomorrow? --I think she will come to school if she _____ free.

— What did Jim say ? — He said he _____ to the park every Sunday.

A large number of students           planting trees now, the number of the students         2000.