We shouldn’t think barefoot running strange. It’s normal, fun and comfortable if _____ properly.
A.doing
B.to do
C.done
D.being done
答案:C
本题考查非谓语动词。逻辑主语为barefoot running与do的关系为被动,故用过去分词done,选C。
We shouldn’t think barefoot running strange. It’s normal, fun and comfortable if _____ properly.
A.doing
B.to do
C.done
D.being done
答案:C
本题考查非谓语动词。逻辑主语为barefoot running与do的关系为被动,故用过去分词done,选C。