GrammarCâu 84 / 120
Choose the sentence with correct comma usage.
a.Before the exam we reviewed our notes carefully.
b.Before the exam, we reviewed our notes carefully.
c.Before, the exam we reviewed our notes carefully.
d.Before the exam we reviewed, our notes carefully.
Giải thích
An introductory phrase should be followed by a comma to separate it from the main clause. The comma correctly follows 'Before the exam.'
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với HESI A2 (Evolve Reach Admission Assessment — nursing school entrance) · Quy trình kiểm tra