Beda Penggunaan "Past Tense" dan "Present Perfect Tense"

Trivia Quiz :

1.She has traveled to Europe since three weeks ago. (Simple past or Present Perfect)

2.She traveled to Medan two days ago.  (Simple past or Present Perfect)

3.Rudi (slept or has slept) for 4 hours last night. 

4.Heidy and Tuti (studied or have studied) English since 15 years ago. 

If a man knows more than others, he becomes lonely (Seandainya seorang pria tahu lebih banyak dari lainnya, dia jadi kesepian)-Carl Jung

Semoga Bermanfaat

Iw_permadi@yahoo.co.id