A:What is required
B:What require
C:It is required
D:It require
下列描述不属于生物特征的是( )
虽然各种污物的成分有所不同,但是只要与____发生反应,就能被洗干净。
This boy is Peter Smith. His1 name is Peter. His2 name is Smith. This is3 school. His school4number is 20048567. His teacher is Miss White. Miss White 5a good teacher. Li Min is a Chinese boy. Li Min is his good 6 at school. Look!7 a pencil sharpener. Is the pencil sharpener 8? I9know. Let's10 Li Min at 495-6548.