根據(jù)短文內(nèi)容補(bǔ)全單詞。
   Linda is a quiet schoolgirl.She studies hard，but she（1）n

ever

ever

shows her ideas to others or answers questions.Miss White，Linda's new English teacher thinks of a good way.
   In an English class，Miss White walks to Linda and says kindly， "May I ask you a question？" Linda begins to（2）c

ry

ry

， "I don't want to answer it.I'm（3）a

fraid

fraid

to make a mistake（錯(cuò)誤）."Miss White helps Linda wipe her tears（眼淚），and then gives her a box.
   "Linda，I have something to show you.（4）O

pen

pen

the box and see." In the box are a lot of erasers.Miss White asks Linda to take（5）t

hem

hem

out，one at a time.
   "Look at these erasers.They're new.But do you know why they will become smaller and smaller？" "We erase the wrong answers with them." "That's right.And what will we do（6）a

fter

fter

erasing the wrong answers？" "We write down the right ones."
    "Good!Here's an eraser for you.When you are not sure about your answers，have a look at it.Then you'll remember that（7）e

veryone

veryone

may make mistakes.Don't worry about（8）m

aking

aking

mistakes，because you can find the right ways to correct（改正）them.You're a clever girl.Try to ask and answer question（9）a

gain

gain

and share your own ideas with your classmates from now on（從現(xiàn)在開(kāi)始）.It's not（10）d

ifficult

ifficult

for you，I think.Would you like to have a try？"
    "I'd love to." Linda answers loudly.