7. (A) Students at Wenzao have to study English. Moreover, they have to study a second foreign language. (B) Students at Wenzao have to study English. Otherwise, they have to study a second foreign language. (C) Students at Wenzao have to study English. On the other hand, they have to study a second foreign language. (D) Students at Wenzao have to study English. Consequently, they have to study a second foreign language.