用情态动词+have done填空She __________ __________ __________ __________ your house, she doesn't know your address. (不可能去过)
I'm quite to office work. Can you offer me some suggestions?
—What do you think of her performance? —Wonderful.____heard a ____voice.
When Jennifer stepped in quietly, her mother, ____ on the bed, was sleeping sound.
Facing the poor grades, Maria is wondering what it to learn English well.
—Guess what? I happened to have met Mark at the party last week. —If my memory serves me correctly, you two ______ each other for almost ten years.