将下列每组句子合并成一个带同位语从句的复合句
①Will the sports meeting be held on time? The question will be discussed tomorrow.
_______________________________________________________________
②The headmaster will join us in hiking this Sunday. We are glad at the news.
_______________________________________________________________
③Where are we going for the holiday? Have you thought about the question?
_______________________________________________________________
④A new teacher will teach us English next term. The message reached me yesterday.
_______________________________________________________________
⑤How did the accident come about? The driver refused to answer the policeman’s question.
_______________________________________________________________
⑥I have no idea. We can do with these waste materials.
_______________________________________________________________
⑦No one is allowed to smoke on campus. But he broke the rule.
_______________________________________________________________
⑧The captain gave the order. All the soldiers had to reach the village before dawn.
_______________________________________________________________