4.____________on time,this medicine will be quite effective.
A.taking
B.Being taken
C.Taken
D.Having taking
2.Who did the teacher _____an article for the wall newspaper?
A.has write
B.has written
C.have write
D.have written
3.__________the big snake,the little girl stood under the tree_______out of he life.
A.Saw,frightened
B.Seen,frightened
C>Seeing,frightened
D.To see,frightened
人气：350 ℃ 时间：2020-04-07 03:07:46
解答
4.C
Taken on time:"如果按时服用," 这是过去分词短语,因为与主语this medicine形成被动关系（药被服用）,所以选过去分词,表被动.
2.C
“老师让谁为墙报写了一篇文章?”
这句话是下面这句的提问形式：The teacher had whom write an article for the wallpaper.
3.C
"看到那条大蛇,小姑娘站在树下吓得魂飞魄散."
seeing the big snake 的逻辑主语是the little girl,因此用现在分词表示主动,而后面frightened out of her life 的逻辑主语仍然是the little girl,她是“被”吓得,所以用过去分词
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