1.Animal experiments will continue to be necessary to resolve existing medical problems ___( 尽管一些人公开反对 ).
2.Professor Clark was a bit strict with us, ____( 但我们确实从他那里学到了很多 ).
3.The more you explain, ___( 我愈糊涂 ).
4. He has done so much for the poor in his community that ___( 再怎么赞扬他都不过分 ).
5.Since my childhood I have found that __( 没有什么比读书对我更有吸引力 )