1 . — I hear workers in this factory get paid by _______week.     
— Correct, and most of them get about 300 yuan _______ week.

A．/ ； a

B．the ； /

C．a ； the

D．the ； a

2 . ---Annette has been complaining about_____ traffic keeping her awake at night.
---Yes, there is ________ heavy traffic on the road near the residential community.

A．/; /

B．/; the

C．a; the

D．the; /