问题描述：
请问abcd哪里错?怎么改?
1.There used to have few tall buildings around my village.
----- ---- ---- -------
a b c d
2.People say that the world's populations may be seven billion
----a------ ----b------
by the year 2010.
--c---
3.What's the time in your watch?It says half past twelve.
--a--- -b- -c- --d--
1.There used to have few tall buildings around my village.
----- ---- ---- -------
a b c d
2.People say that the world's populations may be seven billion
----a------ ----b------
by the year 2010.
--c---
3.What's the time in your watch?It says half past twelve.
--a--- -b- -c- --d--
问题解答：
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