Вставьте в предложение глагол to be в форме единственного или множественного числа. 1.Mathematics ... a compulsory subject at school.2.Mumps... a dangerous discase.3.Fruit... not exprensive today.4.The sheep... in the yard.5. All my belongings... in this box
Mathematics is a compulsory subject at school.Mumps is a dangerous disease.Fruit is not expensive today.The sheep are in the yard.All my belongings are in this box.