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We often talk a great deal about English language teaching, _____ that it is the learning that really matters.

A．having forgotten

B．forgotten

C．forgetting

D．to have forgotten

补写出下列名句名篇中的空缺部分。(任选两小题)(4分)

(1)战战兢兢，             ，              。(《诗·小雅·小曼》)

(2)               ，                 。秦爱纷奢，人亦念其家。(杜牧《阿房宫赋》)

(3)想当年，                 ，               。(辛弃疾《永遇乐·京口北固亭怀古》)