Students should form the habit of ____ everything important in class. Which of the following can’t be put in the blank?

Try not to cough more than you can _______ since it may cause problems to your lungs. 

A ______ road goes ______ from one place to another.

Be sure to read the ________ on the bottle carefully and take the right amount of medicine.

Judging by the ________ he keeps, Mark must be an extremely wealthy man.