thank you so much.

不好意思，我還有貼圖問題要請教。因為我還沒有成功地貼上去。 當我按了圖片小方框後，出現了''choose file", 它下方的大框框裏顯示 “暫無預覽"，於是我打開iphoto, dragged dental paste picture, and dropped it into 大方框裏。but what it came out were letters instead of picture. I really need your next help. Thank you.