来自史兆礼的问题
【Thegreybuildingiswheretheworkerslive,andthewhiteoneiswherethespareparts________.A)areproducingB)areproducedC)producedD)beingproduced】
Thegreybuildingiswheretheworkerslive,andthewhiteoneiswherethespareparts________.
A)areproducing
B)areproduced
C)produced
D)beingproduced

