A.→+x
B.→+x
C.+→+x
D.+→+x
答案:C
(2009)某居住区占地160000m2,住宅建筑基底总面积为80000m2,商店、学校等建筑占地8000m2。居住区内道路用地16000m2,停车场、公共活动场所占地8000m2。该居住区目前的空地率为()。
A.25%
B.30%
C.35%
D.45%
Only after my friend came ___________________________.
A.did the computer repair
B.he repaired the computer
C.was the computer repaired
D.the computer was repaired