Linglingisnowreadingbooksintheschooll__________
Theofficebuilding_____theclassrooms
Therearen’t_____applesinthebasket,buttherearesomeonthetable
Ithinkthe______(four)lessonisthemostdifficultinthisbook.
()“Doyouwant_____orange?”“No，I'dlike_____bottleoforange.”
