X:
Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.
Trả lời câu hỏi dưới đây:
Victims of carpal tunnel syndrome include electricians drilling holes for wiring, airline workers to type at chest- high terminals, and check- out clerks lifting and twisting groceries to register prices on the scanner.
Đáp án là C. to type => typing. Mệnh đề quan hệ rút gọn.