I haven39;t seen him _____ ages 1)for 2)since 3)during4)ofwe mustn39;t ___

I haven39;t seen him _____ ages 1)for 2)since 3)during4)ofwe mustn39;t ___ things which can be used again or recycled 1)collect2)pick up3)catch4)throw awayif i ____ you were ill, i would visit you1)know2)had known3)knew4)known