问题描述：
1.With the development in science and technology man can make various flowers( )before their time.
A.be bloomed B.blooming C.bloom D.bloomed
2.The fire was finally brought under control,but not ( )extensive damage had been caused.
A.after B.before C.since D.as
3.We hadn't met for 20 years,but I recognized her ( ) I saw her.
A.for the moment B.the moment when C.at the moment when D.the moment
A.be bloomed B.blooming C.bloom D.bloomed
2.The fire was finally brought under control,but not ( )extensive damage had been caused.
A.after B.before C.since D.as
3.We hadn't met for 20 years,but I recognized her ( ) I saw her.
A.for the moment B.the moment when C.at the moment when D.the moment
问题解答：
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