问题补充：
单选题“I’mcertainlymoreandmoretotheconclusionthatIraqhas,___theymaintained（断言）,destroyedalmostallof_____theyhadinthesummerof1991.”Billsaid.A.which, whatB.as, whichC.as, thatD.as, what
答案：
D解析第一空是考查定语从句，先行词是the conclusion，从句___they maintained（断言），意为：正如他们所断言的，要用as，正如，正像；介词of后是宾语从句，且句中缺少had的宾语，要用what。选D.
