A series of contests 后接are 还是is
A series of contests 后接are 还是is
a series of books 后面加is 还是 are?
There is还是are a series of accidents?就是谓语动词用单数还是复数
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"后 +可数还是不可数啊
a kind of CDs后接is 还是are?
a series of
a series of .
A r___ is a regular series of sounds movements
a series of+名词做主语,谓语单数还是复数?
英语翻译Each micrometer is equipped with a series of interchange
Between us,why there is a series of problems?