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