deer后用is还是are,deer表示复数时用are,单数时用is ?
deer后用is还是are,deer表示复数时用are,单数时用is ?
这种情况,用单数IS还是复数ARE?
单复数同形的deer的谓语动词用单数还是复数?
sports 算复数还是单数 用is 还是 are
Class One单数还是复数(用is 还是are)
单复同形的词 例如deer 谓语动词用单数还是复数形式?
each human being用单数还是复数(is/are)?
只有复数形式的名词单数时后面用is还是are
glasses是单数还是复数!eg:Where is my glasses?是用is还是are?
there__ a number of deer playing with people.空里填is还是are?
offspring 后接单数复数is还是are
Some bags and a pig后面谓语用单数还是复数?用is还是are?