I would have helped you, but I       __ really occupied the whole week．

He ＿＿＿articles for our wall-newspaper these three years, and he ＿＿＿about forty articles. 

Ever since junior middle school , Jack as well as his sisters ______ of travelling around the world. 

Nothing but some ancient Chinese coins _______ in the sunken ship since they began the exploration.

—Can I help you, Madam?— No, thanks. I_______.