800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 15

The seemingly simple act of exchanging business cards is more complex in Japan (4)_______ the business card represents not only one's identity but also his (5)_______ in life.

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The seemingly simple act of exchanging business cards is more complex in Japan (4)_______ the business card represents not only one's identity but also his (5)_______ in life.

though

because

even if

unless

Giải thích

B là đáp án đúng