800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 18

We use modern methods (2)_____ teaching and learning, and the school has a language laboratory, a video camera and recorders. You will only be successful in improving your English; however, i

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We use modern methods (2)_____ teaching and learning, and the school has a language laboratory, a video camera and recorders. You will only be successful in improving your English; however, if you work hard and practise speaking English as much as you can.

in

of

on

for

Giải thích

B là đáp án đúng