Questions about example sentences with, and the definition and usage of "Sos"

A: it mean you’re calling for help. Emergency call

A: Save our souls

A: Help Me

A: First is technically incorrect but some people may say that in speech

Second is correct

Both are talking about the past

A: Save Our Souls, Save Our Ship

A: You can say both. You’re screwed up implies that there is something wrong with you. You screwed up means that you’ve done something wrong. You can screw up without being screwed up.

A: SOS Save Our Souls

A: Switch “a little while later” with “and then” and you’re good to go.

A:
2) receipt
3)confident
4) typewriter
5) formal
6) vacancies
7) retirement
8) challenging
9) equipment

A: 2.) Roy often lifts weights to build his muscle
10.) He got into shape after several months of exercise and diet.

A: he (6)had her purse
(7)went back
(8)didn't know
(9)understood
(10)stole
(11)made
(12)was
(13)took

part 4: #5 should be "who did you teach?"

A: 2. Joe was happy as he won the first prize in the competition.
3. Rob opened the box and looked inside.
4. Carol broke her arm and couldn't move it for a few weeks.
5. Brian didn't visit his grandparents for a long time.
6. Anne went to Mr. Peter's funeral yesterday.
7. The naughty kid broke a vase and hid this in the living room.
8. The driver was sleepy and he had a serious accident last night too.
9. Mary needed to buy a car as her workplace was so far from her house.
10. Isabelle sold her old cell phone and she bought a new one later.