Excuse me, what’s your phone number— .

Our earth is getting warmer and warmer. It is time for us to_____ the emission(排放) of CO2.

any problems ________, the newly selectedpresident will have a hard time.

Would you like to go to the hospital to help the sick kids this Sunday— _______. I’ll be free then.

．— _________ city!— Yes．Tourists from all over the world come to visit it every year.