Question

Jack is _____ busy ______ he often forgets to have breakfast.

A．too; to

B．enough; to

C．so; that

D．because; so

Answer 1

C

试题分析：. too; to太……而不能；enough; to足够……做某事；so; that 如此……以至于； because; so无此搭配用法。句意：杰克是这么忙，以至于他常常忘了吃早饭。结合语境可知选C。
点评：解答此类题型的要点是了解各个短语的基本含义及用法的不同，同时注意其表示多个含义的现象，然后结合语境选择合适答案。