1. Let's go out for dinner tonight
A. Why don't we go out for dinner tonight?
B. Where do we go for dinner tonight?
C. How about going for dinner tonight?
D. Shall we go out for dinner tonight?
2. Whose motorbike is that?
A. Who is the owner of that motorbike?
B. Who does that motorbike belong to?
C. Who wants to know that motorbike's owner?
D. Who owns that motorbike?