如题所述
第1个回答 2014-08-18
A. a c c a c c b b B 2.what had covered the countryside a short time before? 3.when had the fire finally been put out? 4. what kind of grass seed had the authorities ordered?5.how long had the planes been planting seed when it began to rain?6.what had already happened in many places by then?7.how long had the large trees been growing in the forest? 8. what had begun to appear in the blackened soil?
C 1.check 2.controlling 3.big 4.great 5.soil.6.ground 7.spray 8.throw
C 1.check 2.controlling 3.big 4.great 5.soil.6.ground 7.spray 8.throw
第2个回答 2013-01-22
参考资料：
第3个回答 2011-09-07
我也在做，有空来问我，hyh，我是谁你知道！
第4个回答 2011-08-28
ddbccaccbddd
