It is important that we _______with all that _______ in the struggle

Could you say something _____ about it, please I’d like to know _______.

下列各句中，没有语病的一句是（ )

sit in an office all day long and rarely _____,you’re likely to suffer from neck andback pains.

Can you tell me the way to the post office — Sure, you can ___________ there.