题目内容：

One afternoon, my son Adam asked me, “Are all people the same even if they are different in color?”

I thought for a minute, and then I said, “I’ll explain,________you can just wait until we make a quick________at the grocery store. I have something________to show you. ”

At the grocery store, we________some apples—red, green and yellow ones. Back home. I told Adam, “It’s time to________your question.” I put one apple of each________on the table. Then I looked at Adam, who had a________look on his face.

“People are like apples. They come in all________colors, shapes and sizes. On the________, some of the apples may not________look as delicious as the others.” As I was talking, Adam was________each one carefully.

Then, I took each of the apples and peeled (削皮) them,________them back on the table, but________a different place.

“Okay, Adam, tell me which is which”

He said, “I________tell. They all look the same now.” “Take a bite of________. See if that helps you________which one is which. ”

He took________, and then a huge smile came across his face. “People are________like apples! They are all different, but once you________the outside, they’re pretty much the same on the inside.”

He totally________it. I didn’t need to say or do anything else.

1.A. although    B. so    C. because    D. if

2.A. stop    B. start    C. turn    D. stay

3.A. challenging    B. encouraging    C. disappointing    D. interesting

4.A. bought    B. counted    C. saw    D. collected

5.A. check    B. mention    C. answer    D. improve

6.A. size    B. type    C. shape    D. class

7.A. worried    B. satisfied    C. proud    D. curious

8.A. ordinary    B. normal    C. different    D. regular

9.A. outside    B. whole    C. table    D. inside

10.A. still    B. even    C. only    D. ever

11.A. examining    B. measuring    C. drawing    D. packing

12.A. keeping    B. placing    C. puling    D. giving

13.A. on    B. toward    C. for    D. in

14.A. mustn’t    B. can’t    C. shouldn’t    D. needn’t

15.A. each one    B. each other    C. the other    D. one other

16.A. admit    B. consider    C. decide    D. believe

17.A. big bites    B. deep breaths    C. a firm hold    D. a close look

18.A. just    B. always    C. merely    D. seldom

19.A. put away    B. get down    C. hand out    D. take off

20.A. made    B. took    C. got    D. did