He has worked in the factory _____five years ago.[ ]

I called you yesterday evening, but you were not in .— Sorry, I ________ in the shop with my mother.

Look! The boy is running fast! –He might ______ to catch a bus.

I enjoy singing and I want ________ a member of the Music Club.

Later，I realized that I didn’t know his name or the least bit about him，________intend to ask．