用be\pass\reach填空

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用be\pass\reach填空
1.Four hundred years ago,the number __ over 500 million.2.In 1990,it ___ more than five billion.3.Now at the beginning of the 21st the world's population ___ six billion.

$用be\pass\reach填空$

1 was 2 reached 3 has passed 如果第三个空填has reached无语法问题,但不准确.而第二个空只能填reached ,passed不能接more than five billion.如果没有次数限制,可以填

please pass the ball to ____ [be].用所给词的适当形式填空. 用下列的词组填空,使句意完整 pass by,be familiar to,as well,give up,once m reach/be reached be beyond the reach 宾语从句用所给动词的适当形式填空：1.I ____(let)you know when I _____(reach)Be 阅读短文，用方框中所给单词的适当形式填空。方框中有一个单词是多余的。 tea　 one　 best 　be 　reach 急,翻译句子.填空1If the exam_______(not be)so difficult,I____(pass) 填空I think it's going to be colder later( )Please pass my rul 用arrive (in\ at),reach ,get ,get to 填空 Don't worry.I will __ 用适当介词填空Walk( )the road until the road until you reach the tr 用reach造句 reach