надо поставить глаголы в скобках в present simple или в present continuous.
it is Friday evening and my friends and I am at the disco. some people ......(danse) on the danse floor. some people......(sit) and......(drink) cola. mu friends......(talk) and......(laugh) together. we......(go) to the disco every week. we usually.......(drink) cola and......(dance).

are dancing.are sitting and drinking.are talking and laughing.go.drink and dance.

it is Friday evening указывает на тот факт, что действие происходит в данный момент, поэтому употребляем Present Continuousit is Friday evening and my friends and I am at the disco. some people ARE DANCING on the danсe floor. some people ARE SITTING and ARE DRINKING cola. My friends ARE TALKING and.ARE LAUGHING together. every week  указывает, что какое-то действие постоянно повторяется, а значит надо употребить Present Simplewe GO to the disco every week. we usually DRINK cola and DANCE.