Question

【題目】By the end of last week, she ________ in the west of China for two months helping the homeless children.

A.stayedB.has stayedC.had stayed

Answer 1

【答案】C

【解析】

句意：到上周末為止，她已經(jīng)待在中國(guó)西部?jī)蓚�(gè)月，幫助無(wú)家可歸的孩子。

考查動(dòng)詞時(shí)態(tài)。A. stayed一般過(guò)去時(shí)；B. has stayed現(xiàn)在完成時(shí)；C. had stayed過(guò)去完成時(shí)。根據(jù)時(shí)間標(biāo)志詞By the end of last week，可知用過(guò)去完成時(shí)，故選C。