by Joe has finished his frist-aid course. He proves extremely helpful as a rescue worker.
A. Although Joe proves extremely helpful as a rescue worker, he hasn’t finished his first-aid course.
B. Without finishing his first-air course, Joe proves extremely helpful as a rescue worker.
C. However helpful Joe proves as a rescue worker, he hasn’t finished his first-aid course.
D. Having finished his first-aid course, Joe proves extremely helpful as a rescue worker.
Xem đáp án
D là đáp án đúng
Lời giải:
Đáp án D.
Câu D là câu có 2 mệnh đề, trong đó mệnh đề phụ đã được rút gọn chủ ngữ.
