The doctors in Beijing did all they______ to save Shao Zhanwei, mayor of Hangzhou, but he still died of heart attack at the age of 58.
Lisa invited me________the magic show,but I refused the invitation.
Don’t worry about me.I can get on well________my classmates.
—Would you like to play________footbaU with us? —Sorry,I can’t go with you.I have to practice playing________piano.
—Where’s your sister? —She is in her bedroom.Listen!She is talking with her friends________the phone.
Tom’s mother is angry________him because he failed in the exam.