We (am, are) at the lesson. it (are, is) an english lesson. the teacher (is, am) at the table. she (am, is) a young woman. we (is, are) young too. but we (are, is) younger then she (am, is). we (is, are) first-year students. she (are, is) our english teacher. english (am, is) an interesting subject. at our institute it (is, are) an obligatory subject. at all the technical institutes foreign languages (is, are) obligatory. at present it (is, are) necessary to study foreign languages.