Everyday the mother seems to be busy until 10o’clock at night,____the rest of the Family have fallen asleep.

When asked to explain ________ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply.

With her long beautiful hair gone _______ would be no use for the combs

下列各句中，没有语病的一句是（ ）

I can’t say ______I want to see him again. We haven’t seen each other for a long time.