Choose the correct sentence which is built from the words and phrases given:
I / look forward / hear / you / and / get / a quick resolution / this problem//.
I look forward to hearing from you and to getting a quick resolution of this problem.
I look forward to hear from you and to get a quick resolution of this problem.
I look forward to hearing about you and to getting a quick resolution of this problem.
I look forward hear from you and get a quick resolution of this problem.
I look forward to hearing from you and to getting a quick resolution of this problem.