—Excuse me. Where is the museum?  
—It is quite far. It will take you half ___ hour to go there by _____bus.

—Excuse me. Where is the museum?  
—It is quite far. It will take you half ___ hour to go there by _____bus.

There is ______ “b” and _______“s” in the word “bookcase”.

--Is there      uniform on the sofa?    --No, there is       on the desk.

There is ____ “h” in _____ word “hour”.