— Who is the TV show? She seems to be talented. — Mary Green who used to be a great act

问题补充：

— Who is the TV show? She seems to be talented.

— Mary Green, who used to be a great actress.

A. opening

B. hosting

C. playing

D. seeing

答案：

A. opening

(答案→)B. hosting

C. playing

D. seeing

解析：考查动词辨析。句意：--谁在主持这个电视节目？她好像很有才华。--玛丽格林，她曾经是一个著名的演员。A打开；B主持；C打球，演奏；D看见。根据句意可知，这里是“主持”的意思，故选B。