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V: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Trả lời câu hỏi dưới đây:You won't know what to do ________ you listen carefully.

V:
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each

Câu hỏi

Nhận biết

V:

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Trả lời câu hỏi dưới đây:

You won't know what to do ________ you listen carefully.


A.
and 
B.
 if     
C.
or 
D.
unless
Đáp án đúng: D

Lời giải của Luyện Tập 365

Câu điều kiện ta dùng if hoặc unless. Tuy nhiên, dựa vào nghĩa, ta chọn đáp án D.  

Dịch: Nếu bạn không nghe cẩn thận, bạn sẽ không biết phải làm gì.

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