___ you know the rules of swimming, you will be able to swim well.
| A．Before | B．While | C．Though | D．Once |
I went to Egypt for a sight-seeing last week .Seeing the pyramids was a real _____.
| A．thrill | B．fun | C．thrift | D．vision |
Insurance statistics show that most wives ______ their husbands ,which means that women have stronger hearts.
| A．love | B．survive | C．survey | D．suspend |
It was not ______ the many blows he received as the lack of fighting spirit_____ led to him losing the match.
| A．so,which | B．so much,that | C．like ,that | D．as, which |
______debate concerning ______question is brought to______life again whether a person has the right to end his or her own life when he or she cannot live with an incurable dieases .
| A．The, a,the | B．The,the, 不填 | C．A，the，不填 | D．A,a,a |
Henry has come in his raincoat and gumboots ,_____for rain.
| A．prepared | B．preparing | C．having prepared | D．prepares |