见到客人站着,你应说,A.Sit down.please.B.How are you?C.I'm fine,too.
This boy _____ a gold cup in the competition. A.win B.wins C.won
_____ the monster have two heads? A.does B.Does C.Did
The boy say a monster _____ the TV. A.in B.on C.to
Look!The baby _____. A.cries B.is crying C.cried
How many children _____in your class? There are twenty-one. A.are there B.is there C.were there