Some “healthy” habits, such as shower every day and sitting on the loo, _____ be bad for you.

—Do you think the phone is genuine(真品)? —I don’t think it ______ be a fake, as this shop has a very good reputation. 

We can hardly believe such a young boy ______ travel around the world all by himself.

Those who failed to get into the art exhibition ________ disappointed as many of the artists who should have appeared did not come. 

Oh, I’m not feeling well in the stomach. I ______ so much fried chicken just now.