B．Please hang off

　　C．Sorry, he isn't here now

　　D．Sorry, I'm afraid you have the wrong number

　　解析：选A　句意："我可以和史密斯先生通话吗？""请稍等，我去叫他接电话。"hang on表示"别挂断电话，稍等"。

　　5．The old workers are doing their best to pass ________ their techniques to the younger generation.

　　A．off B．on

　　C．away D．through

　　解析：选B　句意：老员工在尽力把他们的技术传给年轻一代。pass off"逐渐消失，对......不予理睬"；pass on"往下传"；pass away"去世"；pass through "穿过，通过，经历"。

　　6．We must keep our room clean. Dirt and diseases go ________， you know.

　　A．from time to time B．hand in hand

　　C．step by step D．one after another

　　解析：选B　句意：我们必须保持房间干净，你知道，灰尘和疾病是相伴而来的。hand in hand"手牵手，相伴"。

　　7．Jack described his father, who ________ a brave boy many years ago, as a strong­willed man.

　　A．would be B．would have been

　　C．must be D．must have been

　　解析：选D　句意：杰克把他爸爸描述为一个意志坚强的人，多年前他准是一个勇敢的男孩子。must have been 是对过去事实的肯定推测；must be是对现在事实的肯定推测；would be是过去将来时；would have been是虚拟语气，显然D项正确。

　　8．Speaking of all the songs he has written, I think this is probably his ________ one.

　　A．better­known B．well­known

　　C．best­known D．most­known

　　解析：选C　句意：说到他写的所有歌曲，我认为这可能是最著名的一首。well­known"著名的"，最高级为best­known，故选C。

III.完形填空

　　Beginning to learn gymnastics even before she could barely walk, Svetlana had always dreamed to enter the Olympics scene some day.

However, her __1__ ended in the car on the winding road when a lorry appeared out of nowhere. The last thing she __2__ was a blinding flash of light. In hospital, when told she would never __3__ again, she couldn't believe it. Three months later, she was __4__ out of hospital on a