time going on our school becomes greener and more beautiful.A. Because ofB. Thanks toC.

问题补充：

time going on, our school becomes greener and more beautiful.

A. Because of

B. Thanks to

C. As

D. With

答案：

A. Because of

B. Thanks to

C. As

(答案→)D. With

解析：词义辨析题。As连词后接从句，With介词后接动名词。句意：随着岁月流逝我们的学校变绿变漂亮了。