问题:

试题 题型:未知 难度等级:

Nowadays meteorologists (气象学家) can make good forecast for

Nowadays meteorologists (气象学家) can make good forecast for 3 or 5 days. Perhaps soon they may
be able to do that for a week or _____.

[     ]

A. more ahead
B. more behind
C. less ahead
D. less behind

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