向别人介绍自己的朋友,你应该说:_______A.This is my new friend , Amy.B.I’m Amy.
( )—Have you ever been to an aquarium? —No,_______.
( )—Which month comes after March? —_______
( )—Where was my purse? —_______
( )—_______ he_______ the letter? —Not yet.
( ) Children’s Day is on _______.