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

Câu hỏi

He was worried sick about the final exam __________ he prepared a lot for it.

A. because

B. though

C. thanks to

D. despite

Đáp án
B. though

Câu hỏi thuộc Bài tập:

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