【題目】根據(jù)句意和所給漢語的意思，完成句子，每空一詞。

【1】Birds are the natural ______（敵人）of many insects.

【2】When they heard that Martin Luther was killed,they were _____（徹底）shocked.

【3】Do you lie______（醒著）at night,worrying about things?

【4】Almost three _____（四分之一）of the earth’s surface is covered by water.

【5】We believe that we can achieve very good exam results______（通過）great effort.

【答案】

【1】enemies

【2】completely

【3】awake

【4】quarters

【5】through

【解析】

【1】句意：鳥類是許多昆蟲的天敵。

敵人enemy是可數(shù)名詞，由are可知，應用enemy的復數(shù)形式。表示各種各種各樣昆蟲的天敵。故答案為enemies。

【2】句意：當他們聽說馬丁·路德被殺時，他們徹底感到震驚了。

用副詞completely修飾was shocked，表示“徹底震驚”。故答案為completely。

【3】句意：你晚上睡不著覺，是在擔心事情嗎？

分析句子情境，可知動詞lie在此處表示保持某種狀態(tài)。后面可接形容詞。此處接awake表示醒著的狀態(tài)，故答案為awake。

【4】句意：幾乎地球上四分之三的土地是由水覆蓋的。

由提示“四分之一”可知是單詞quarter，再分析句子整體，由前面的three可知，應填quarter的復數(shù)形式。四分之三表示為three quarters。故答案為quarters。

【5】句意：我們相信我們通過努力能取得很好的考試成績。

分析句子結(jié)構(gòu)可知，句子不缺動詞，故此處用介詞through來表示“通過努力”。故答案為through。

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