You can find ________ become more difficultto see clean rivers in our city.

1I’m going to be late forwork. There’re ＿＿＿ buseson this route(线路).

Can you tell me_____the Bamboom Garden—The day after tomorrow.

It’s impolite to talk _____ your mouth full during a meal.

What game is popular with them? -The ______ most is tennis.[ ]