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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
You can learn as much theory as you like, but you only master a skill by ____________it a lot.
A. training
B. exercising
C. practising
D. doing
You can learn as much theory as you like, but you only master a skill by ____________it a lot.
A. training
B. exercising
C. practising
D. doing
By + V_ing
Practise (v): luyện tập
Practise (v): luyện tập
Đáp án C.