How do you think of his plan? —I was not a bit surprised, for I had fully expected _____

　What made her so sad？—　_____ she failed in the examination

Lakes, ________ by vast grasslands, look like jewels [ ]

He ________ in American for five years, andnow he works in Shanghai.

—Can I borrow your car for a while?— Sorry, my car was damaged yesterday and it ______ now?[ ]