上课铃响了,教师走进教室,班长应该说:A.Please come in. B.Good morning C.Stand up.
( ) ---Thanks very much. ---_____.
( ) ---Are you Dick? ---Yes, ____.
( )可表示“中国共产党”的英文缩略词是_____.
._____ are her _____.
---_____ do you spell book? ---B-O-O-K, book