
2个回答
2013-09-07
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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
展开全部
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
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

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