21．Although you don't like her, you must ________ that she has much capability to do the job.
A．deny B．admit
C．acknowledge D．confess
答案与解析：B admit通常指因外界压力、良心或判断而承认某事的存在或真实性，含“不情愿地承认”之意。deny“否认”；acknowledge“公开承认”，常用于过去隐瞒或否认之事；confess着重承认自己的过错或罪恶，因此有“忏悔；坦白”之意。
22．The famous scientist, ________ a dinner party will be held tonight, is to arrive soon.
A．in honor or him B．in his honor
C．in whose honor D．in which honor
答案与解析：C 句意：那位著名的科学家就要到了，为了表示对他的敬意，今晚要举行一个宴会。in one's honor“为了纪念……，为了向……表示敬意”，whose引导定语从句修饰先行词scientist。
