【单选题】
A: Merry Christmas! B: [填空].
【判断题】
A: A Merry Christmas and Happy New Year to you! B: The same to you!
【单选题】
I _____him the Christmas gift by mail because he came home during the Christmas holidays.
【单选题】
It _________ at Christmas that John Smith gave Mary a handbag.
【单选题】
It _________ at Christmas that John Smith gave Mary a handbag.
【简答题】
(a, b)[a, b] = [填空].
【单选题】
Like Christmas,Chinese Spring Festival is also a festival for family___________.
【简答题】
[a, b][b, c][c, a]=[ab, bc, ca]x[填空].
【单选题】
A: Are you following me? B: [填空]
①
Can you walk slowly, please?