比一比,再组词
技____ 通____ 答____
枝____ 涌____ 搭____
The man______of shooting 6 school children was caught by Beijing police,the XIN HUA News Agency reported on Friday.( )
下列各组词语中,没有错别字的一组是( )
如图,已知⊙O中,半径OA⊥OB,则∠ACB等于( )