69. In order to keep fit, the retired women, whether rain or shine, go _____ for plenty of exercise early in the morning.
| A.outdoor | B.outdoors | C.outing | D.Indoors |
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69. In order to keep fit, the retired women, whether rain or shine, go _____ for plenty of exercise early in the morning.
| A.outdoor | B.outdoors | C.outing | D.Indoors |
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