a number of前加be动词(are还是is)?the number of后加be动词(are还是is)
the number of后的名词是加s还是不加,be动词用is还是are,那a numbe
a number of前加be动词加啥子?the number of后加be动词加啥子?
there be a number of……这里“be”用“is”还是“are”?
the number of students 后 应该+are还是is
a group of people前的be动词用is 还是are
there +be动词 a packet of sweets.这里的be 动词是is还是are?
a group of students后的be动词是is还是are?
a lot of 前加is还是are /lots of 前加 is 还是are
Two glasses of milk be动词用is还是are
.All of the dog food are empty .这儿的be动词用are还是is?
there be后面跟 a lot of+可数名词时,be动词用is还是are?
动词前一定加be(an is are)动词吗?