—Attention, please. The plane has to be put ______ because of the heavy fog.—Oh, bad luck! We have to wait now.
— Jim, remember to return this book by Friday. — ________.
— Excuse me, can I interview Mr White? — A moment, please. Let me check ________.
If you watch carefully, you can see ________ the man does the trick with the cards.
Wars are disasters. A large number of people will lose their homes if a war ________.
The mobile phone has changed people’s life a lot ________ it was invented.