四年级下册
1. This is my computer. That is your computer.
这是我的电脑. 那是你的电脑.
2. Is this a teacher’s desk? ------ Yes, it is.
这是讲台吗? 是的,它是.
1. This is my computer. That is your computer.
这是我的电脑. 那是你的电脑.
2. Is this a teacher’s desk? ------ Yes, it is.
这是讲台吗? 是的,它是.