The river has become much ______ than before because of the waste water.A. dirty B. dirtier C. Dirtiest
I’ll take my sister to the museum ______ it doesn’t rain this afternoon.
Zhou Yang ______ to her home town with her parents five years ago.
—Do you like zongzi? —Yes, it’s ______ Chinese food.
—Have you read today’s newspaper? —Yes. It’s really boring. There is ______ in it.
If you are in trouble, you can ______ help from the policeman.