.................. is difficulf when two people don't speak the same language(communicate)

many young people prefer to wear .......... clothes  bacause they are very fashionable(color)

traditionally,the ao dai was ................ worn by both women and men(frequence)

Family member who live apart try (be).................. together at tet

Nothing (do) ............. since I moved here

Only yesterday did I realize  what (go)........... on

My younger brother can't fly.He wishes he (fly).............around the world

AIDS (kill)............ a lot od peple recently,and I wish nobody (die)...............any more

computer science must (teach)............ in schools

auld lang syne is a song which(sing) ................ on new year's Eve