Maths ___ called the language of science横线上应填is还是are.Why?

Maths ___ called the language of science横线上应填is还是are.Why? I don't pass the Maths ecam.同义句：I___ ___ the Maths exam. she can work out the maths problem ___(easy) 我想知道如何算出这道数学题. L want to know how to ___ ___ the Maths problem. The maths problem is wery easy.They can work it out=The maths problem is __ __ for ___ to __ ___急 I want to learn a subject which is called a maths对吗?called maths ___(hope)he can get the first prize in the maths competiion ___ ___subject is maths.急```````````````````` the girl from JiangXi is called Wang XI(改为同义句） the girl ___ ___ ___ JiangXi is called Wang Xi ___ ___ you like maths?急```````````````````` l did ____(bad)in the maths exam.But he did even ___(bad). Lily is working ___ the maths problem.A.at B.in C.on D.of The first realityTV show in the world ___ Expedition Robinson was shown in Sweden in 1997.A.called B.having been called C.calling D.to be called maths is the most difficult of al l the subjects. maths is ___ ___than __ __ subject. 保持句意相同 适当的比较等级填空 He is ___ (bad) at learning maths.适当的比较等级填空 He is ___ (bad) at learning maths.He is much ___(bad) at Chinese and heis the ___(bad) at English. The letter is from a boy called Sidney.(同意句) The letter is from a boy___ ___ ___ ___Sidney. Do you know the boy called Jim句型转换有四个空啊所以很为难Do you know the boy ___ ___ ___ ___ Jim？ ___ young man called Lin Tao was hurt 选a还是the?急