1.Listen! How wonderfully the girls _________ (sing)! 2.Simon will leave here if he _________ (finish) the work tomorrow. 3.________ you ________ (go) to the World Park in Beijing next week? 4.—What did you do last night? —I _________ (write) a letter to my parents. 5.The zookeeper told them __________ (not leave) litter there. |