题目内容
Nowadays meteorologists can make good forecast for 3 or 5 days. Perhaps soon they may be able to do
that for a week or _____.
that for a week or _____.
[ ]
A. more behind
B. more ahead
C. less behind
D. less ahead
B. more ahead
C. less behind
D. less ahead
B
练习册系列答案
相关题目