Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.

Niggli first visited Viet Nam in 1999. He has been a generous sponsor of underprivileged Vietnamese children since then.

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9