Mark the letter A B C or D on your answer sheet to indicate
Câu hỏi
Nhận biết Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Nowadays, quite a few Internet courses can offer an effective _____ to classroom teaching.
Đáp án đúng: C
Lời giải của Tự Học 365
Đáp án C.Nhìn đằng trước có an effective => chỗ cần điền cần 1 danh từ.
Xét 4 đáp án thì B (động từ ing) và D (trạng từ) bị loại.
Xét nghĩa A và C ta có:
A. alternation: sự xen nhau; sự xen kẽ, sự thay phiên, sự luân phiên
B. alternative: sự lựa chọn giữa hai hoặc nhiều khả năng (sự lựa chọn thay thế)
=> Đáp án C phù hợp về nghĩa.
Dịch: Ngày nay, một số ít các khóa học trên Internet có thể cung cấp một giải pháp thay thế hiệu quả cho việc giảng dạy trong lớp học.
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