三个动词填空,
1、WhileI()(search)forinformationonline,thecomputersystemsuddenlybrokedown
2、Thelocalgovernmentispayingmoreattentionto()(solve)thewaterpollutionproblem,whichisgoodnewsforus
3、YangLiweiputallhiseffortintotrainingbeforehe()(send)intospace
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