Since I came to China,I__________ (learn)a lot about Chinese history

题目

Since I came to China,I__________ (learn)a lot about Chinese history
Since I came to China,I’ve been learning a lot about my family history.这句是成立的！

答案

since后常跟过去式,主句用现在完成时.故：Since I came to China,I have learned (learn)a lot about Chinese history自从我来到中国以后,我已经了解了很多的中国历史.since后常跟过去式,主句用现在完成进行时也行,...