The students worked in groups to ________ the difficult problem in the math class.
work out
turn down
cut off
worry about
They often takewalk after dinner.
——Who’s that man? Is he Mr. Brown? ——Thatbe Mr. Brown. He never walks this way.
——Hello,may I speak to Mary,plrase? ——.
——How many god medals did Chinaat the 2010 Winter Olympics? ——Five.
——Mr. Li is ill in hospital. His daughter is looking after him. ——.