—Shall we stop for lunch _______ shall we drive on?—Let’s stop for lunch, but the driver can’t drink _______ drive.
This problem worried her so much that she didn’t know ___________ with it..
--- ________ David be the new chairperson of the Students’ Union? --- He _______ be, but I’m not sure.
—Liu Xiang has announced the end of his sporting career. —. But I think he is still one of the greatest athletes in China.
Jack is dishonest. He always some excuses for doing something wrong.
—Mr. Ma has gone to Guangzhou on business. —Really? Do you know ?