—Do you know ________ the school?—About twenty minutes ago.
----Where did you get the book? ---- From the library.And I have _______it for two weeks.
---- Where is your uncle now? I haven’t seen him these days. ---- He _______to the earthquake area with his workmates.
They were all asleep. of them heard the sound.
This kind of bikes _______in that supermarket.
Great changes _______over the years.