They want to develop a kind of dog-friendly food _____ will help dog owners cool down their pets. [ ]

Hello! Would you like to go the party with me tonight? –I’m sorry I can’t . Mother won’t ______me to go out in the evening .

The clock is ______the wall ______ourclassroom.[ ]

he boy______in the picture is my brother.[ ]

While Jim ______the floor, someone ______at the door.