WhitneyHouston’ssuddendeathsuggeststhatdrugabuseissuch...

問題詳情：

 Whitney Houston’s sudden death suggests that drug abuse is such a serious problem ___________ we should deal with properly.

       A. as                  B. that                        C. which                     D. where

【回答】

A

知識點：定語從句

題型：選擇題