C．If only

　　D．What about

　　25. —The plane is due to take off at 8∶00 from the airport.

　　—________we can’t get there in time?

　　—Try to take another flight then.

　　A．As if

　　B．Even if

　　C．Only if

　　D．What if

　　Part two :完形填空

　　Sam’s uncle had an old bird which sat in its cage all day. One day his uncle said, “It is too expensive to   26   that bird. We will get rid of it.” But Sam wanted to   27   the bird.

　　    Sam’s grandfather told him that the bird was once a famous   28   bird. Now   29  people knew it. His grandfather took the bird out, and then quickly took his arms away.  The bird opened its huge   30   and flew into the sky. After a few minutes, it  31   with a small rabbit, cut it open and started to   32   it.

　　    The next morning, Sam asked his uncle out. Sam did  33   his grandfather had done, but the bird   34   to the ground and stood still. Sam’s uncle  35  . Later his grandfather told him that the bird only hunted in late afternoon when light was less   36  . Sam asked his uncle to come out before   37  . This time the bird caught a mouse. His uncle was quiet with   38  , but laughed again, “We can’t eat mice, so this bird is   39  .” And he sold the bird without telling Sam.

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