记录简单开销的短文写作 — 英语填空题
题目
根据提示，补全Tom的开销日记（每空一词或一个数）。Today is Saturday. I went to the shop with 20 yuan. I bought a pen for ___ yuan and two erasers for 4 yuan in all. I spent ___ yuan altogether, so I have ___ yuan left now. 提示：一支钢笔9元；两块橡皮共4元。