摘要: 如果主语是由“a series of, a kind of, a portion of+等+名词 构成时.动词一般用单数形式. A series of pre-recorded taps has been prepared for language laboratory use. 但a variety of, a number of +名词复数.动词要用复数形式; .而the number of +复数名词作主语.谓语动词用单数. On exhibition there are a great variety of consumer goods. The number of the students is over eight houndred

网址:http://m.1010jiajiao.com/timu3_id_2411014[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网