The whole world is undergoing the biggest financial crisis nowadays, ____ calls for international cooperation among all nations to get over

You look upsetAnything wrong? －I failed in the physics exam again ________ all the efforts I madeWhich of the following answers is NOT true？

Would you like______to the park with me—I’d love to, but I must do my homework first.

Kate’s grandmother lives in a house____, but she doesn’t feel ____.

Peter _____ all night and made the TV set work.–Oh, he is an able boy!