7. The ( twelve) unit is difficult.
6. There aren’t many people in the shop. It’s ( crowd).
5. How is the weather in Chongqing? It’s ( sun).
4. Maria ( not visit) museum last week.
3. There ( be) a pen and two pencils on the desk.
2. I enjoy ( read) books.
1. Mike and Jack are ( twin)
5. 这是一封给你的信。
IX . 用括号中的单词的适当形式填空。(20分)
4. 我不喜欢戴太阳眼镜。
3. 他想成为一名医生。