Swimming alone ___be ____dangerous. Do be careful.
–Will you go to the exhibition tomorrow?---Yes. I will go ____it’s windy.
.Everybody in our country, men and women, old and young_____sports and games.
Be sure to go to the concert with me, _____?
_____ has already been pointed out, grammar is not a set of dead rules.
.---There is a lot of smoke coming out of the teaching building.---Really? It _____be a fire, most probably.