Choose the best answer A, B, C or D to complete the sentence. Question 10: This problem is hard to solve _________ it’s very complicated. A: because B: so C: but D: although
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Question 10: This problem is hard to solve _________ it’s very complicated.
A: because
B: so
C: but
D: although
Question 10: This problem is hard to solve _________ it’s very complicated.
A: because
B: so
C: but
D: although
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