閱讀下面短文，在空白處填入一個適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。
    Growl!Groan!
    The noises woke me up.And I sat straight up in my sleeping bag. "A bear，" I thought. "Outside the tent!"
    What should I do？The （1）

first

first

（one） thing was not to be afraid.I looked around the tent，and saw my mom，dad and my little sister still （2）

sleeping

sleeping

（sleep）.I decided not （3）

to wake

to wake

（wake） them up.If I woke them up and we ran，the bear would surely run after us.Bears can run thirty miles an hour.I didn't think （4）

that

that

we could.
    I sat in the dark，not （5）

moving

moving

（move）.It should have been safe here.We had followed all the rules：In bear world，campers （野營者） aren't （6）

supposed

supposed

（suppose） to leave any food out.It attracts （吸引） bears.We had put our food boxes in plastic and locked them in our car.After dinner we had （7）

taken

taken

（take） all our rubbish far away.So the smell wouldn't draw bears to our campsite （野營地）.
    Growl!Snort!Moan!
    The bear didn't seem to be coming closer，but it was still out there.I couldn't stand the strain （緊張） any longer.I had to wake my parents.They would know （8）

what

what

to do.When I was ready to wake my dad，I heard a man's （9）

voice

voice

.It seemed to be coming from the next tent.
    "Joe!Hey，Joe!" he said. "Wake up.You're snoring （打鼾）."
    "Oh，sorry，" a （10）

sleepy

sleepy

（sleep） voice answered.After that，the forest was filled with silence.