Your plan is far from satisfaction , so you must ______ more time and energy to it.

There was enough evidence to prove that the explosion in Robinson’s house _______ the leak of natural gas. 

Several years after they got married he ____ chatting on the Internet until very late, which eventually resulted in their divorce.

Why don’t you just        your own business and leave me alone? 

    She ______ another match and in the light she made her way without making any noise.