My father will be back from Nanjing ___ a week.A.in B. after C. behind
—________ his telephone number? —_________.
________ name is Mary Brown. _________ is her family name.
_________ is Jenny. ________ bike is red.
This is ________ orange. __________ orange is yellow.
He is _______ young _______ to school. A. too; to go B. too; go D. so; to go