Which of the following suffixes(后缀)means "without"?( )
A.﹣ableB.﹣fulC.﹣ousD.﹣less
Which of the following words is formed like "homework"?( )
A.inventorB.raincoatC.dishonestD.careless
Frederick_____entered the final competition last month. His hobby has brought him_____.( )
successful; success
successful; successfully
successfully; success
successfully; successful