问题
选择题
These flowers should not be watered too ______, once _____. [ ]
A. long; every other day
B. often; every fourth day
C. soon; every two days
D. frequently; each five days
答案
答案：B
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These flowers should not be watered too ______, once _____. [ ]
A. long; every other day
B. often; every fourth day
C. soon; every two days
D. frequently; each five days
答案：B