I have you asked John to come to the party this evening？–Yes，I have，but he＿＿＿＿

I’m sorry, but I didn’t mean to keep you waiting here for a long time. Can you______ me

The pen I _____ I_______ is on my desk, right under my nose.

Good technique in medicine means less pain and fewer deaths ________ it is our duty to master it[ ]

Mary and I see each other ____, but not as often as we used to.[ ]