N&H Page 13, Exercise 10 [A] - 13 [B]
- We have come to defend the walls.
- He went away so quickly that we never saw him again.
- He is so brave that he does not fear the enemy, but loves battles.
- He was sent to ask for peace, that the citizens might not die of hunger.
- The laws which the Romans made were so good that no one wished to break them.
- We defended the walls so well that the enemy retreated, and did not take the city.
Good luck and have fun 
I guess I’ll do it, since we have an answer key now and I love English-Latin.
- We have come to defend the walls.
Ad moenia defendenda venimus.
- He went away so quickly that we never saw him again.
Ita ille celeriter effugit ut nunquam eum visuri essemus.
- He is so brave that he does not fear the enemy, but loves battles.
Tam fortis ille ut non hostis vereatur, proeliis autem delectatur.
- He was sent to ask for peace, that the citizens might not die of hunger.
Missus ut pacem quaereret est, ne cives fame morerentur.
- The laws which the Romans made were so good that no one wished to break them.
Tam bonae erant leges quas Romani instituerunt ut vellet nemo violare.
- We defended the walls so well that the enemy retreated, and did not take the city.
Ita bene moenia defendimus ut hostes terga verterent, nec urbem adripuerint.