Only after the teacherthe procedure clearly were the student
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.
Only after the teacher ______ the procedure clearly were the students allowed to go ahead with the experiment.
Đáp án đúng: B
Lời giải của Tự Học 365
Giải chi tiết:
Giải thích:
Cấu trúc: ONLY AFTER + N/Ving/clause + auxiliary + S + V: Chỉ sau khi
Ở đây mệnh đề xảy ra trước sử dụng thì quá khứ hoàn thành: S + had + Vp.p
Tạm dịch: Chỉ sau khi giáo viên đã giải thích rõ ràng các bước tiến hành thì các học sinh mới được phép bắt đầu làm thí nghiệm.
Đáp án: B
Luyện tập
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