Bro I’m sorry I only speak American... wish I could help
Answer:
5. mandó, mande
6. trabajamos, trabajabamos
7. pagamos, pagabamos
8. firmaron, firmaban
9. voy, iba
10. tiene, tenía
Explanation:
The sentence practically gives you a verb, once you identify it, you conjugate it so it fits the other sentences.
The correct answer is:
A. David ha abierto la lata.
"David ha abierto la lata", is the best Spanish equivalent to, "David has opened the can".

3 cerca
Cause Allì means there.
So they r talking about what's close to them