Must I clean the room now,Mom?
No,_________.( )
A.you mustn'tB.you needn't
C.you can't
﹣﹣﹣"Gina,whose book is this?"
﹣﹣﹣ "It ______ be Carla's.Charles Dickens is her favorite writer."( )
must
can
may
Mario and his friends are making some plans _______ in an old people's home this summer.( )
work
working
to work
Abing's Erquan Yingyue is a piece of music ______ has become one of China's national treasures.( )
who
which
whose
﹣﹣﹣"Did you do _________ fun on your vacation,Tara?"
﹣﹣﹣"Yes,I did.I went to Sanya."( )
everything
anything
nothing
While Linda was still sleeping,her mother _______ breakfast in the kitchen.( )
was making
is making
has made