.— Do you know Uncle Tom is crazy about gardening?—Sure. He ____ his flowers in the garden now.

Professor Tang didn’t give us a speech today.It was ________ he had a traffic accident on the way to school.

_________–– He looks tall and fat.

Peru was a new world to me and I was ______ find out more about it for myself.

The little girl,but her family was too poor at that time.