1、【题目】This missile is designed so that once _____ nothing can be done to retrieve it.
选项：
A.fired
B.beingfired
C.theyfired
D.havingfired
答案：
A
解析：
暂无解析
1、【题目】She was once a young country wife with chickens in the backyard and a view of _______mountains behind the apple orchard.
选项：
A.bluehazyVirginia
B.hazyblueVirginia
C.Virginiahazyblue
D.Virginiabluehazy
答案：
B
解析：
暂无解析
1、【题目】TheBentPyramidoutsideCairo__________ancientEgypt’sfirstattempttobuildasmooth-sidedpyramid.
选项：
A.hasbeenbelievedtohavebeen
B.wasbelievedtobe
C.isbelievedtohavebeen
D.isbelievedtobe
答案：
C
解析：
暂无解析
1、【题目】_____ if I had arrived yesterday without letting you know beforehand.
选项：
A.Wouldyoubesurprised
B.Wereyousurprised
C.Hadyoubeensurprised
D.Wouldyouhavebeensurprised
答案：
D
解析：
暂无解析
1、【题目】I was to have made a speech if _____.
选项：
A.Iwasnotcalledaway
B.nobodywouldhavecalledmeaway
C.Ihadnotbeencalledaway
D.nobodycalledmeaway
答案：
C
解析：
暂无解析
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