The teaching building which ____ is almost finished and we can have lessons in it soon.A has built B has been builtC is building D is being built
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The teaching building which ____ is almost finished and we can have lessons in it soon.A has built B has been builtC is building D is being built
The teaching building which ____ is almost finished and we can have lessons in it soon.
A has built B has been built
C is building D is being built
The teaching building which ____ is almost finished and we can have lessons in it soon.A has built B has been builtC is building D is being built
D
建筑是被修,排除AC
almost finished几乎要完成了,但还没完成,也就是还在修建中,选现在进行时
你有语法知识的问题。be动词是am,is,are还有他们的过去时之类的。did是do的过去时,do是助动词而非be动词.
so sudden 是用来修饰“the attack”的。姑且把“so sudden”一整个当做一个形容词,还原倒装就应该是the attack ()so sudden。
那么形容词前就应该是be动词“was”了
PS. do作助动词后面加的是动词...
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你有语法知识的问题。be动词是am,is,are还有他们的过去时之类的。did是do的过去时,do是助动词而非be动词.
so sudden 是用来修饰“the attack”的。姑且把“so sudden”一整个当做一个形容词,还原倒装就应该是the attack ()so sudden。
那么形容词前就应该是be动词“was”了
PS. do作助动词后面加的是动词(也有强调意思的时候)例如:Tom does have a computer.
do若作动词也可,例如:do some reading, do homework
收起
B
..
..
选D,进行时,被动