Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Trả lời câu hỏi dưới đây:Mach numbers describe the velocity of airplanes ______ over the speed of sound.
Câu hỏi
Nhận biếtMark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
Mach numbers describe the velocity of airplanes ______ over the speed of sound.
Đáp án đúng: C
Lời giải của Luyện Tập 365
- Lược bỏ đại từ quan hệ, Trong câu này "moving" được thay thế cho cụm "which is moving"
- Lược bỏ đại từ quan hệ, Trong câu này "moving" được thay thế cho cụm "which is moving"
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