we agreed never to refer ______ the matter again.

the research findings will provide practical ________ for teachers.

implementing agencies continuously interact _____ their environments.

this attack will ________ the already tense relations between the two communities.

in spite of vehement denial, the rumor ________ like wildfire.

i think i ought to _______ an appearance at the office before lunch.

the government thought it could _____ the support of the trades unions.

she was accused of stalking the actress by repeatedly calling her and sending __________ letters over the past few months.

the list of their achievements is pretty __________.

these remote islands are __________ only by birds and animals.

they ________ emphasis on men being polite and respectful.