——What can I do for you? ——
You_______ buy a gift, but you can if you want to.
Your house is always so tidy - how do you_______ it with three children?
- Do you know Lucy well?- Of course I do. We've been good friends_______ ten years ago.
You need two years of teaching_______ to get this job.
I'm sorry I didn't phone you, but I've been very busy_______ the past few weeks.