— Jim has gone to Britain to see a modern art exhibition. — Oh, really? Do you know when he       ? 

---- Flight 551 for Dallas ________. I must be off now. ------Have a pleasant trip then.

—Will you attend the meeting this afternoon?　　—But I ________ told anything about it.

The Diaoyu islands, in the East China Sea between China and Japan, _______ to China since ancient times.

I intend to buy this kind of pen because I         the pen        well.