I'm ____________,and I have a ________ sister.
A:15 year old ; 16-year-old
B:15 years old ; 16-years-old
C:15-year-old ; 16 years old
D:15 years old ; 16-year-old
下列行为不属于先天性行为的是( )
漫画《你会吗》启示我们,在生活中( )
给下面的字选择正确的读音。
汩汩____ɡǔ mì 嗅____xiù chòu觉 犬____quán quǎn吠 吟____yín yínɡ诵
We all like ________ English teacher because she is very kind.