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语法综合练习38ago,thisareawascoveredbythickforests.A.SeveralmillionofyearsB.SeyeralmillionyearsC.SeveralmillionsyearsD.Severalofmillionsofyears请详细写出解题的过程和思路.
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语法综合练习38
________ ago,this area was covered by thick forests.
A.Several million of years B.Seyeral million years
C.Several millions years D.Several of millions of years
请详细写出解题的过程和思路.
________ ago,this area was covered by thick forests.
A.Several million of years B.Seyeral million years
C.Several millions years D.Several of millions of years
请详细写出解题的过程和思路.
▼优质解答
答案和解析
选 B.Several million years
还可以说 several millions of years
million 和hundred thousand 一样只能有这两种用法,要么直接接名词复数本身用单数,要么就是xxxxs of +名词复数
还可以说 several millions of years
million 和hundred thousand 一样只能有这两种用法,要么直接接名词复数本身用单数,要么就是xxxxs of +名词复数
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