Open brackets (past Simple or Present Perfect) 1. We Just (begin) our lesson. 2. Sam and...

Question

Open brackets (past Simple or Present Perfect)
1. We Just (begin) our lesson.
2. Sam and I (meet) a week ago.

Answer 1

1 we have just begun our lesson.
2 Sam and I met  a week ago.

Answer 2

1/ We have just begun our lesson.
2/ Sam and I met a week ago.