I’ve never seen anyone perform so beautifully － Tasso play.A. just watchB. just to watchC.

问题补充：

I’ve never seen anyone perform so beautifully － Tasso play.

A. just watch

B. just to watch

C. just watching

D. just having watched

答案：

(答案→)A. just watch

B. just to watch

C. just watching

D. just having watched

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