Yesterday morning, when I got home, my son ________.A. slept B. was sleeping C. is sleeping
She ______ very hard since she came to our school.
Even Tony’s six-year-old son asked him ______ smoking.
The schoolboy ______ a blind man cross the street yesterday.
— Can he jump high? — Yes, he ______. He is a good high jumper.
It was dark, ______ I couldn’t see what was happening.