Forests help to keep water from running away,________ drought does not often happen.

Forests help to keep water from running away,________ drought does not often happen.

题目
Forests help to keep water from running away,________ drought does not often happen.
A.and
B.but
C.so
D.thoug
答案
C森林帮着保持水分,所以才不会干旱,drought 是干旱的意思
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