Which two sentences use a second-person pronoun? She swam across the river.
Mason invited me to the party.
Your tree house is amazing!
You let me know if you need help.
The tailor measured her height.

your tree house is amazing and you let me know if you need help

Explanation:

second person is you, your and they

college athletes should not get paid to play because its an extra-curricular activity, like marching band.

pandas are endangered because of habitat destruction by humans.

as of 2014 there were around 2,000 left, since then, it supposedly has risen 17%.

they are a very endangered species.

-theoneandonly003