Don’t you think Lijing River is unusual one

Why are you still here It’s time to start.–I’m busy searching the Internet for the photos of some famous singers ____ I can use in my speech.

Thank you ever so much for thepresent you brought me.— ____.

It’s important ___ us to protect the environment andit’s wise ____ us to save water .

He is the only one of the students who ______a winner of a scholarship for three years.