one foot is flat,other is on its toe with the heel facing up

one foot is flat,other is on its toe with the heel facing up The shoe is on the other foot Look likes the shoe is on the other foot! on the heel of the other The snow on the ground is one foot th--- two disks(one radius is R,the other radius is 2R) and a flat To kick with a sore toe only hurts the foot The flat is on the fifth floor. Our flat is (on the twentieth floor).__ ____your flat? when the shoe is on the other foot?在具体语境中有什么意思 My flat is on the t____ floor. One of the most challenging tasks facing America is fighting