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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.
If you __________all of my questions, I can do anything to help you.
A. answered
B. answer
C. had answered
D. will answer
If you __________all of my questions, I can do anything to help you.
A. answered
B. answer
C. had answered
D. will answer
Câu điều kiện loại 1
If + S + V( simple present tense), S + V( simple future tense)
If + S + V( simple present tense), S + V( simple future tense)
Đáp án B.