apairof+复名,则谓语用单数,那么若下文再次提到用什么,theyorit?
Don'twearthispairoftrouusersanymore.______tooold.
A.It'sB.they're(答案选A)
Tommyboughtapairofnewgloveslastweek.Buthecan'tfind_____today.
A.themB.itC.thisD.that(答案选A)
这不是自相矛盾吗?