Yao Ming as well as his teammates ________ hard to win honor for China these years.
Mary had promised to give me a ticket for tomorrow. She failed, ____.
—He must be busy doing his homework right now.—I imagine____.
Lu Xun was ___________ medical student before he turned ___________ great writer.
The mother often tells her son to be a good boy, warning him to______ trouble.
After five hours’ drive, they reached ______ they thought was the place they’d been dreaming of.