They are _____ children that they can’t dress themselves.

I’m afraid you missed a fantastic lecture yesterday. How come you were absent from it?—If you _______ know, I asked for a day off and visited a relative of mine in hospital.

Did she ________to the movies — No, she went to the party.

is a window, ________ the sun comesin” said the lady to her baby

下列四组词语中字音字形没有错误的一组是（ ）