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-How can you keep slim as a mother of two sons? -I in the gym for years. [ ] A.

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-How can you keep slim as a mother of two sons? -I in the gym for years. [ ] A.

-How can you keep slim as a mother of two sons?

-I ________ in the gym for years.

[]A.

have worked out

B.

have been working out

C.

have worked on

D.

have been working on

试题答案

答案:B