_______ impressed me was the boy’s ability to deal with this kind of difficult physics problem

Thank you for all your hard work last week. I don’t think we ______ it without you.[ ]

Thedisappearance of dinosaurs made _______ the evolution and dominance of mammalson the earth

ering his poor health condition, the doctor insisted on his_____a good rest before going back to work

Mrs. White was ________ tired ________ she couldn’t stand up by herself.