The red flag looks extremely beautiful theblue sky and white clouds

If people keep polluting the rivers, no fish there will survive ______.

I think Tom, as the head of a big department, should either study regularly or______ his job.

The programme “Running Man” has been hot on screen recently _______ some pop stars bring us a lot of fun.— Yes, I think so.

ay find the key to the math problem onpage 107.—Ah, it’s so simple. I wonder why I _____ ofthat.