My sister got a low mark in the test. She was hard-working. A. My sister got a low mark in the test, so she was hard-working. B. My sister got a low mark in the test because she was hard-work
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My sister got a low mark in the test. She was hard-working.
My sister got a low mark in the test, so she was hard-working.
My sister got a low mark in the test because she was hard-working.
My sister was hard-working, and she got a low mark in the test.
My sister was hard-working, but she got a low mark in the test.