A:3
B:2
C:1.5
D:2
加重我国资源形势严峻的原因主要是( )
根据上下文,补全对话。
A: Good ____.
B: Good morning.
A: Can I ____ you?
B: Yes. May I ____ a blouse, please?
A: OK. Here ____ are.
B:____ you.
____