单选题
Robert is said_________abroad, but I don’t know what country he studied in.
A、
to have studied
B、
to study
C、
to be studying
D、
to have been studying
【正确答案】
A
【答案解析】
考查非谓语动词。句意：据说他曾到国外留过学，但是我不知道是在哪个国家留学。由studied可知“留学”这个动作已结束并发生在谓语动作is said之前，所以要用完成式，故选A。
提交答案
关闭