--Sorry, Johnny, I failed in the physics exam.--Never mind! ________the exam is not so easy.
-- ______did your uncle leave his hometown ?--He ______ for nearly twenty years.
Tom is ____________ boy now.
-----I bought this dictionary two weeks ago. ----You mean you __________ it for half a month.
The twins has studied in this school ________.
------When and where ____you _____the bag? ------ Oh, yesterday in my desk.