He made them (work) hard during this course (Whistle) to himself, he walked down the road They Found some money (lie) on the floor He was trapped in a (burn). House Her job is (take) care of mentally retarded children .....(feel) hungry, he went into the kitchen (Swim) is my favourite sport One of life's pleasures is (collect) difference kind of money

Tại sao lại dùng thì HTHT ạ?