All the government leaders and policemen in Thailand must see to ______ that every citizen should stay safe and sound in the terrible flood.

You used to be terrified of the dark. —-You’re right,and so_______ my brother.

Mike is from America. He ________ English.

Are these books yours, Mike?—No, they aren’t. They belong to ______.

________ the last flight. You have to stay here for another night.