we don't know how to do that.We don't know what makes us lau
we don't know how to do that.We don't know what makes us lau
We don't know what to do.
---we don't know how to do it
We don't know what to do.(改为复合句)
We don"t know what we should do next
( )We don't know ______.A.how to do B.which to do C.what to
We don't know what we should do next.改为同意句.We don't know___n
We don't know what we shall do.同义句we don't know_ _do
改错we really don't know what will do next
I don't know what we will do next.
We don't know what we can give her.改为同义句 We don't know (how
we ___play chess than bridges.some of us don't know how to p