It was not until he arrived at the office_____ realized he had forgotten the key.
It was raining heavily. Little Mary felt cold, so she stood ____ to her mother.
The problem he referred to _____ difficult, but is isn’t at all.
A good idea just _____ me. ----Let’s go swimming.
How _____ I was when I heard the ______ news!
It’s no use _____ before such a cruel person. a. cry B. to cry C. crying D. be crying