A:存在一条直线a,a∥α,a∥β
B:存在一条直线a,a⊂α,a∥β
C:存在两条平行直线a、b,a⊂α,b⊂β,a∥β,b∥α
D:存在两条异面直线a、b,a⊂α,b⊂β,a∥β,b∥α
—It's his key.
Sure.
She's in the restaurant.
No,thanks.
I'd like some noodles.