问题
选择题
Experts believe that it will be five or six years ______ the price of houses becomes acceptable
for ordinary families.[ ]
A. since
B. after
C. before
D. until
答案
答案：C
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Experts believe that it will be five or six years ______ the price of houses becomes acceptable
for ordinary families.[ ]
A. since
B. after
C. before
D. until
答案：C