The most important reason for animals _____ is the part that humans have _____.A.dying out … played B.die away … makeC.died off … done D.to die down … playedplease explain

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Themostimportantreasonforanimals_____isthepartthathumanshave_____.A.dyingout…playedB.dieaway…makeC.d

The most important reason for animals _____ is the part that humans have _____.A.dying out … played B.die away … makeC.died off … done D.to die down … playedplease explain
The most important reason for animals _____ is the part that humans have _____.
A.dying out … played B.die away … make
C.died off … done D.to die down … played
please explain

The most important reason for animals _____ is the part that humans have _____.A.dying out … played B.die away … makeC.died off … done D.to die down … playedplease explain
选A
die out是"灭种",die away 和die down都要"逐渐减弱直至消失"的意思,而die off是"相继死去".
for sb./sth后面要加to do sth或者doing sth.
结合上面的意思和语法,只有A是正确答案.

A. dying out … played

A,die out (灭绝)固定搭配

A
同一楼~

play the part
die out 灭绝

D. to die down … played
to die down 不定式做定语修饰reason:动物灭绝的原因
play a part 是固定搭配,“扮演的角色”= “所起的作用”。
that humans have played 是定语从句,修饰part。