— I hear that Tom can’t afford his schooling this fall.
— _____, let’s do something for him.
A．If anyB．When necessaryC．When possibleD．If so
D

試題分析：詞義辨析。A如果有一些；B當必要的時候；C當可能的時候；D如果這樣；句意：—我聽說今年秋天Tom上不了學了�！绻@樣，我們?yōu)樗鰧懶┦虑榘伞８鶕?jù)句意說明D正確。
點評：本題的四項都是重要的省略形式。怕要注意記憶，BC項省略了it is; D項中so代替一個肯定句。
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