A:you guess she has got
B:you guess has she got
C:do you guess she has got
D:do you guess has she got
A: Good morning.____?
B: I'm fine, thank you.____?
A: I'm Gina. Are you Tom?
B: ____.
A: Spell it, please
B: D-A-L-E.
A: ____?
B: Smith.
B: It's 923-8675, and yours (你的)?
A: 841-5643.
乒乓球漂浮于水面上,乒乓球所受浮力的施力物体是( )