What a shame that there are so many people there, but ______ dare stop the crime(违法、犯罪行为).

This ticket _____ one adult and one child to the show

camea stranger with his cap pulled over his face, ______ I thought seemed curiousabout what I was carrying

Not all insects are pests; in fact, a great many of them are ____ to man.[ ]

Eddie is hungry all the time .does he walk to his bowl —Many times a day.