bài 5: answer these questions ex: where is the picture? [on, wall] - It is on the wall 1: where are the balls? [ under, bed] 2: where is the cat? [on,sofa] 3: where is your mother? [in, kitche] 4: where are the coats? [behind,door] 5: where are the books? [on,table] 6: where is your father? [in, livingroom] 7: where is the plane? [in, sky] 8: where is the television? [here]