问题补充：
The little girl is nervous talk in front of the class.
A. enough, to
B. too, to
C. so, that
D. such, as
答案：
A. enough, to
(答案→)B. too, to
C. so, that
D. such, as
解析：句意：小女孩太紧张了无法在全班面前讲话。 adj/adv+enough to，足够……做某事，后接动词原形；too...to太……而不能，后接动词原形；so……that如此……以致于，后接句子，such...as像…….这样的；根据语境可知是太紧张而无法讲话，故选B.
