作业帮By the time the course ends,a lot _____ about the United States.A.will have been learned B.will have learned C.are learned D.have been learned 为什么不选D
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By the time the course ends,a lot _____ about the United States.A.will have been learned B.will have learned C.are learned D.have been learned 为什么不选D
By the time the course ends,a lot _____ about the United States.
A.will have been learned B.will have learned
C.are learned D.have been learned
为什么不选D
By the time the course ends,a lot _____ about the United States.A.will have been learned B.will have learned C.are learned D.have been learned 为什么不选D
应该是A.
a lot代指很多知识,所以用被动.
by加将来时,用将来完成时.
所以选A
意思是：到这个课程结束的时候,很多关于美国的知识将被学到（你将会学会很多关于美国的知识）.
是A嘛```?
by 与时间状语连用时，意思为:到什么进为止，一般都用完成时态
by the time ,by then
By the time
by the time
用by the time造句!
by the time怎么造句?
by the time +现在式造句
by the time 的用法
by the time 等于什么?
by the time to 谢
by the time什么意思
the time,show by the day
on the time ,in the time ,at the time ,by the time
on the time ,in the time ,at the time ,by the time
as the time goes（went) by,with the time going byas the time goes by,with the time going by,as the time went by,用于什么时态?
by the time of和by the end of
in time ,on time ,by the time 的区别,
as the time goes by,with the time going by,as the time went by,用于什么时态?
用By the time造句100个