已知ab两件服装成本:帮忙解答!!

Something is burning(burn).I don't know what it is (be).
2.Did the taxi arrive (arrive)just now,John?
3.She has learned (learn)to play the piano when she was six.
4.Here comes (come)the bus.
5.I did't break (not break)any of these glass.Some else broken(break)them.
6.I am preparing (prepare)breakfast for you .Please help yourselves

1,is burning will be
2,Did arrive
3,learned
4,comes
5,haven't broken has broken
6,have prepared

1 is buring; is
2 Did arrive
3 learned
4 comes
5 did not break broke
6 have prepared

1,is burning is
2,why arrived
3,learned
4,coming
5,did not break
broke
6,have prepared
或prepared

1.Something is burning(burn).I don't know what it is(be).
2.Did the taxi arrive(arrive)just now,John?
3.She learned(learn)to play the piano when she was six.
4.Here is coming(come)the bus.
5.I did not break(not break)any of these glass.Some else broke(break)them.
6.I have prepared(prepare)breakfast for you .Please help yourselves.

1.is burning,is
2.Has arrived
3.learned
4.comes
5.haven't broken,broke
6.have prepared