How long have you________?— It is about ten years since we________[ ]

You needn’t have apologized for your absence—, it’s hardly your fault

I think we should let Maria go camping with her boyfriend_____, she’s a big girl now

t sure whether be has finishedwriting the book, but he________ it last month.

Chris, please ________ a meeting with Mr. Du for me this evening who came back from Canada yesterday.