Having been selected to present the Association of American Engineers at the International Convention, ________.
A. the members applauded him
B. a speech had to be given by him
C. the members congratulated him
D. he gave a short acceptance speech
Đáp án là D
Hai mệnh đề trong câu phải đồng chủ ngữ khi có một mệnh đề bị giản lược chủ ngữ. Câu đầy đủ là: He had been selected .., he gave a short acceptance speech.