680] After
we walked ______ the forest, and ______ a river, we arrived at that small
village.
[译文] 我们穿过森林,趟郭河流,来到了一个小村庄。
A. across; across
B. through; across
C. across; through
D. through; through
[答案及简析]
B。 穿过两边有高度的地方用介词through;穿过广阔的海洋,沙漠,平原用across。