--Excuse me, teacher, can I ask you something about the last class? I didn’t quite understand it.--Sure! Please feel _________to ask me anything!
Daming and Lingling are in .
--- This is Mike Brown. --- Hello,_________.
–Are they ______books? --No, they aren't. They're ______ books.
Damao can playbasketball and he can also playviolin.
下面组中的字母顺序前后是正确的。