【简答题】
[a, b][b, c][c, a]=[ab, bc, ca]x[填空].
【单选题】
A: Merry Christmas! B: [填空].
【单选题】
A: Are you following me? B: [填空]
①
Can you walk slowly, please?
【单选题】
A: Will the speech last long? B: [填空].
③
No, the speech doesnt last
【单选题】
A: What is an earthquake like? B: [填空].
【单选题】
A: Is there a bank near here? B: [填空].
③
Yes, there is a big one
【单选题】
A: Hey, whats up? B: [填空].
【单选题】
A: How are you doing?B: [填空].
【单选题】
A: Where there is a will, there is a way. B: [填空].