a series of books 后面加is 还是 are?
a series of books 后面加is 还是 are?
a series of books后面为什么接is a number of books 后面为什么接are,
A series of contests 后接are 还是is
a series of 名词复数 那后面加谓语用单数还是复数?
There is还是are a series of accidents?就是谓语动词用单数还是复数
all of./each of...后面加is还是are
there ____ a kind of books.是is 还是are?
there is a stack of books还是there are a stack of books
there be句型后面如果加a lot of,那be用is还是用are
a series of books翻译成中文
one of the boys 后面加is 还是are
none of them 后面加are 还是is?比如None of them is还是are Chinese?