Two tenses are often used in reporting the results. What are they?
A.Simple past and simple present. B.Present continuous and simple present. C.Simple future and simple past. D.Past perfect and present perfect.正确答案A
Two tenses are often used in reporting the results. What are they?
A.Simple past and simple present. B.Present continuous and simple present. C.Simple future and simple past. D.Past perfect and present perfect.正确答案A