Walk the river then go the trees you can see a new zoo.A. cross pass B. across throu

问题补充：

Walk the river, then go the trees, you can see a new zoo.

A. cross, pass

B. across, through

C. across, over

D. cross, through

答案：

A. cross, pass

(答案→)B. across, through

C. across, over

D. cross, through

解析：介词辨析。Cross横穿；pass 经过；across穿过；through穿过；over越过。句意：穿过这条河，然后进入树林，你就能看到一所新的动物园。表示在物体表面穿过，而through则表示在内部穿过，故选B