填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）帷、帘以外，帐也是居室中重要的张设之物。 ， 。在这一时期， ， 。但是 ， ， 。①最重要的是张设在床榻上的“寝帐”或“床帐”②张设在寝床上方的寝帐③只作为专供寝卧的器具④虽然床在居室陈设中的中心地位职能消退⑤仍备受人们的重视⑥帐除了行军或出游、宴饮时作为帐篷类物品的含义⑦仍是非常重要的家具

, had a lot of parties recently.—Yes, that might _____ his failure in the examination.

Look! He’s running so fast! —Hard to his legs were once broken.

E-mail, as well as telephone, ________ an important part in daily communication

Those _____ know the answer put up your hands.