My brother and I look different ________ we are twins. [ ]

Lucy practicing playing the piano right now?—Yes, she .

What did your kids doweekends? —They watched TVSaturday afternoon. [ ]

The boysknock ___Uncle Wang’s door and shout “trick or treat”. He gives them some candy___a treat.[ ]

_______ do you have a Music Festival at your school?—Once a year.[ ]