Look _____ the picture.The boy is walking _____ the river.
Look _____ the picture.The boy is walking _____ the river.
Is the boy _____ in the river?
Look!What's the boy doing in the river?He _____(swim).怎么填?
The boy is walking in the street when he saw the alien _____
( ) We were walking along the river _____ it suddenly began
Look!How carefully the boy _____ (write)!
look,the boy _____ football over there.
He is looking at the _____ picture with a _____ look on his
My teacher is walking ____ _____ _____ around the classroom(
my friend saved a _____ boy in the river yesterday
Let's have a look _____ the picture _____my house
Look,the boy is _____ the tree.A,in B on C at