早教吧 育儿知识 作业答案 考试题库 百科 知识分享

10.MillionsofAmericansflocktotheirdrugstorestobuyvitaminsandminerals,thatthesepillscanhelppreventseriousillnesses.A.convincingB.convincedC.toconvinceD.tobeconvinced选哪个,再有想问问,题中的help后能加preventing还

题目详情
10.Millions of Americans flock to their drugstores to buy vitamins and minerals,that these pills can help prevent serious illnesses.
A.convincing B.convinced
C.to convince D.to be convinced
选哪个,再有想问问,题中的help后能加preventing 还是只能加原型,我记得可加to do 的.
空在that 前.
▼优质解答
答案和解析
A 现在分词表伴随
B排除,因为如果选B出现两个谓语动词且无and连接
C,D不选因为那个逗号
help (to) do sth.to 可以省略
sb.can't help doing sth.忍不住做某事