题目内容：
请在第___53____处填上正确答案。
A．necessary B．perfect
C．proper
D．possible
参考答案：
答案解析：
单选题：请在第___53____处填上正确答案。
- 题目分类：英语
- 题目类型：单选题
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B．perfect
C．proper
D．possible
B．perfect
C．proper
D．possible
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Theresearchlacks________evidence,andtherefore,itsconclusionsaredoubtful.A,solidB
Ourfriendship_____quicklyovertheweeksthatfollowed.
Ourfriendship_____quicklyovertheweeksthatfollowed.A．haddeveloped B．wasdeveloping
—Lookatthoseclouds!—Don’tworry.______itrains,we’llstillhavea
—Lookatthoseclouds!—Don’tworry.______itrains,we’llstillhaveagreattime.A．Evenif B
A.demandB.receiveC.accomplishD.overcome
A.demandB.receiveC.accomplishD.overcome
A.cleanupB.partyC.picnicD.concert
A.cleanupB.partyC.picnicD.concert