Hetriedto_______relationswithhisformerwifebuthefailed.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Allthememoriesofhischildhoodhad_______fromhismindbythetimehewas65.
Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.