Question

Many of the older buildings in Tianjin look beautiful________workers have carefully made them look as good as new.

A.while B.if C.although D.because

Answer

D

【解析】

句意：天津许多老建筑看起来很漂亮，因为工人们精心地把它们做得和新的一样漂亮。

考查连词。while当……的时候；if如果；although尽管；because因为。后文的句子“workers have carefully made them look as good as new.”是前文的句子“Many of the older buildings in Tianjin look beautiful”的原因，因此用because引导。故选D。