什么品牌车载吸尘器好:一道英语题~~

来源:百度文库 编辑:高校问答 时间:2024/04/16 12:39:28
Zhong Nanshan is a famous expert who has____to_____the origin of SARS.
A.devoted;studying
B.been devoted;studying
C.devoted;study
D.been devoted.study
什么时候用接been,to后面什么时候接doing

选B啦~
没什么诀窍,是词组惹得祸~
devote sb(self) to doing sth
sb be devoted to doing sth
because of "has",be becomes been
平常“to”在作介词时,后面用现分

sb.be devoted to doing sth/sth
sb. devote one's time to doing sth/sth
固定搭配,表示某人致力于什么
been 是由于 has的关系

选B
sb. be devoted to sb./sth.(be有时态变化)
sb. devote oneself to sb./sth.

选D啦

d

D