My mother some washing when the telephone rang.( )
A.doesB.didC.is doingD.was doing
This is my pet dog._____ name is Dingding.( )
Its
It's
It
Be quiet. Your grandmother _____ in the room.( )
sleeps
is sleeping
sleep
Mike and Jim's room is tidy, _____ their sister's is not.( )
but
and
or
About _____ of the students don't like studying online in my class, because they can't discuss with their classmates.( )
one three
one thirds
one third
You should take _____ umbrella with you in England, even on _____ sunny day.( )
a;a
an;a
a;an