来自孙淑琴的问题
【Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue.a.thatall,areb.what,is请详解】
Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue.
a.thatall,areb.what,is请详解


【Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue.a.thatall,areb.what,is请详解】
Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue.
a.thatall,areb.what,is请详解
Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue.a.thatall,areb.what,is选项是b.what=thethingwhich/that如果我的回答对你有所帮助,请点击本页面中的“选为满意回答”按钮...
为什么不选a?
Thescientistsbelieve()theyhavedevotenthemselvesto()suretocometrue。a.thatall,areb.what,is如果a选项的are改成is也是正确的。因为all在此句中做主语是单数。如果我的回答对你有所帮助,请点击本页面中的“选为满意回答”按钮,谢谢!