A Canada Geese are large blue and white birds．When autumn ar

A Canada Geese are large blue and white birds．When autumn arrives．they have to fly south where
the weather is warmer．The winters am so cold in Canada that the birds die if they stay there．
Last spring,Bill Lishman found sixteen young Canada Geese on his farm．They had lost their parents,Bill thought,〝These young birds won′t know what to do in the autumn．〞
Bill had a small plane and he decided to teach the birds to follow him．All through the summer,he went to short trips in the plane and the young geese flew after him．
When the cold weather arrived in autumn,Bill flew to Virginia in the United States,600 miles(英里)south of his home in Canada．The geese followed him all the way．Bill lift the geese in Virginia and he returned home．
This spring,Bill was waiting for the birds to come back．They didn′t arrive,so Bill flew to Virginia to get them．He looked for them for two weeks but he couldn′t find them．
when he arrived back home.Bill found the geese waiting for him．They had found their way home without him!
( )41．Canada Geese have to fly south
　A．in spring B．before autumn C．in winter D．after summer
( )42．The young birds so they could follow Bill to Virginia．
　A．were well trained B．went oil trips in Bill′s plane
　C．1iked Bill D．lost their parents
( )43．Bill took the birds to Virginia because ．
A．it′s warmer there B．it′s 600 miles away from his home
C．he wanted the birds to fly after him D．it′s a beautiful place in the United States
( )44．The birds returned to Bill′s home ．
A．in Bill′s plane B．by themselves C．in the winter D．in the autumn
( )45．From the passage we can know that Bill ．
　A．likes the birds very much B．is an American bird-lover
　C．stayed in Virginia with the birds D．taught the birds to fly

DAAAA.
再问： 第二个第四个解释一下！！我选的是ddaba!!
再答： 我的选择可能有错，我不确定。 第二个：其他三个选项不对 鸟能飞到弗尼吉亚是因为Bill对他们的良好训练。 第四个：鸟返回Bill处是没有Bill帮助的，文中说They had found their way home without him!同义是by themselves。其他选项不对，是在春天回的，不是秋冬，更不是做Bill飞机回的。
再问： 那你的意思就是DAABA咯。不是DAAAA.
再答： Sorry, 第44题选B. by themselves