Thunderbird was huge and strong.His favourite food was whales.（1）

C

C

them，Thunderbird flew over the ocean.When he saw a whale come up for air，he would catch it and eat it（2）

B

B

.
   However，some whales were（3）

C

C

to catch than others.Killer Whale，for example，always gave Thunderbird（4）

A

A

very hard time.No matter how hard Thunderbird tried，Killer Whale always got away.
   Thunderbird（5）

C

C

flew over the ocean all day was determined（堅(jiān)決的）.He（6）

D

D

for Killer Whale to come up.But Killer Whale was clever.He stayed under the surface of the ocean（7）

A

A

a long time.Sometimes Killer Whale（8）

A

A

go up for air many miles from where he had last been seen.That made it difficult for Thunderbird to know where to look for him. "（9）

B

B

I am big，I can't be above every part of the ocean，" Thunderbird thought.Then，he decided to follow Killer Whale all the time.
    "This is（10）

B

B

，" Killer Whale thought as he swam.Finally，he had an idea and said to（11）

D

D

，"What if I live in the deepest part of the ocean？That way，I won't（12）

D

D

by Thunderbird." Then Killer Whale swam（13）

A

A

deep that he could not even see the sunshine.
   Up above，Thunderbird flew around and around.For（14）

B

B

days，Thunderbird still saw no sign of Killer Whale and he had to give up.
   Since then，Thunderbird has never bothered Killer Whale and Killer Whale（15）

C

C

safely in the deep and dark ocean.

（1）	A．Catch	B．Caught	C．To catch	D．Catching
（2）	A．happy	B．happily	C．happier	D．happiness
（3）	A．difficult	B．difficultly	C．more difficult	D．most difficult
（4）	A．a(chǎn)	B．a(chǎn)n	C．the	D． /
（5）	A． /	B．whose	C．who	D．whom
（6）	A．waits	B．has waited	C．is waiting	D．was waiting
（7）	A．for	B．a(chǎn)t	C．in	D．to
（8）	A．would	B．should	C．may	D．must
（9）	A．If	B．Though	C．When	D．Unless
（10）	A．tired	B．tiring	C．tiredly	D．tirelessly
（11）	A．he	B．him	C．his	D．himself
（12）	A．see	B．saw	C．seen	D．be seen
（13）	A．so	B．too	C．such	D．very
（14）	A．few	B．a(chǎn) few	C．little	D．a(chǎn) little
（15）	A．lives	B．lived	C．has lived	D．was living