--What time does the library open in the morning?
--It opens 9 a. m.
in
on
at
between
Look! This is ______ “U ” and that is _____ “S”.
Let’s ________ TV.
-----Do you know whose shorts they are? -----_I think they are ______. _______ shorts are red.
__________ your help.
-----Does he ______ a little sister ? ------_No,he doesn’t. He_____ a brother.