When his mother came in , he stopped .A cry B. cried C to cry D. crying
There is ______ eating grass on the hill.
Young children can ______fireworks if their parents are not with them.
— ______ in the yellow river? — There’s a nice boat.
—_____does your mother go for a walk? — Every afternoon.
—Is Sandy in Mr. Wu's office ? — Yes, she __________Mr. Wu __________her birthday party.