口源性口臭占口臭的()
A.10%以下
B.20%~30%
C.40%~50%
D.60%~70%
E.80%~90%
参考答案:E
Read and complete. 将每组对话补充完整。
1. A: you?
B: I am fine, thanks.
2. A: Kim?
B: She is in the gym.
3. A: books are there?
B: Five.
4. A: What is five and ninety-five?
B: It's .
5. A: She is behind Jenny.
B: Jenny is her.
要建立两表之间的关系,必须通过两表的______来创建。