—Why should I correct it right now, Mum? It’s OK, I think. — Well, Honey, it will _______ trouble in the future.
George is going to talk about the geography of his country, but I'd rather he ________ more on its culture.
Don't handle the vase as if it ________ made of steel.
Jack is a great talker. It's high time that he ________ something instead of just talking.
—Where are the children? The dinner's going to be completely ruined.—I wish they______always late.
Eye doctors recommend that a child's first eye exam ________ at the age of six months old.