what are you busy doing?改为同义句 whar are you (

Question

what are you busy doing?改为同义句 whar are you ( ) ( )? could you please post the letter for me?做出肯定回答 sure,( ) ( ).

Answer 1

更正二的回答并
解析：be
busy
doing
sth.(忙于做某事）=be
busy
with
sth
（忙于某事）
1、What
are
you
busy
doing?改为同义句
2、
What
are
you
(
busy
)
(
with
)?
3、
Could
you
please
post
the
letter
for
me?
做出肯定回答
：Sure,I
could.