Peoplehavealwaysbeencurious_____howlivingthingsontheearthexactlybegan.[ ]

I really think he is an excellent actor.—I agree with you _______

While typing, Helen has a habit of stopping _____ to give her long and flowing hair a smooth

While watching television, __________.

Your senses become alert and you suddenly find the answer to a problem ________ solution has long escaped you as a brilliant thought crosses your mind.