A.open;close
B.opening;closing
C.open;closed
D.opened;closed
A.must't
B.could't
C.can't
D.may not
A、so bored
B、returned it
C、to the library
D、without finishing it
Smoking is not______in such public places as the theater, the library and the museum.
A.let
B.permitted
C.promised
D.agreed
A.So far as
B.So long as
C.So far
D.As long as
A.to read on
B.reading
C.reading about
D.on reading