With 4G mobile phones, people can even see each other as they talk. —-Really Would you show me it, please

What was your brother like when he was young— He _______ be quiet, but now he’s very outgoing.

Only when you can find peace in your heart _____good relationships with others.

It is useful book. I borrowed it from school library.

These days all China is worried about the plane of MH370.—Yes. All the world wants to know________________.