Whenever Betty attended one of her childrens performances, she managed to keep a poker fac

Evidence _________indicates that you attend to one idea at a time.A: of dateB: to date

Betty is the only one of the students who______to represent the group.A．have been chosenB．

______ was one of the founders of modern science and materialism.A．Francis BaconB．George H

Betty and Harold have been married for years. But one thing still puzzles（困扰)old Harold.

Either you or one of your students ______ to attend the meeting that is due tomorrow.A

阅读理解Betty and Harold have been married for years.But one thing still puzzles old H