John talked with me for about an hour yesterday．Never ________ him talk so much

People can make silly mistakes about a person if they judge him ____ the clothes he wears[ ]

29. It is known to us that doing eye exercises ________ our eyes, and that is to say, our eyes can ________ doing eye exercises.

Lucy sings very well. Many people love ______ her.

When I opened the door, I found my father _____ in his chair, completely _____ in a magazine [ ]