20．Our teacher told us how to learn English well ________ of his talk．

A．in the end            B．at the end             C．by the end              D．to the end

One day I found a little girl sitting in the park．Lots of people passed by but never stopped to  __21__ why she looked so sad．The girl just sat and watched people pass by．She __22__ said a word．Many people __23__，but no one stopped．As I got closer，I found her back was so different from others．It has a __24__ shape．Perhaps that was the reason why people just passed by and made no effort to __25__． I sat down __26__ her and said，“Hello!” Then she said in a low voice．“Hi．” I smiled and did she，__27__．We talked there till it got dark．I asked the girl why she was so __28__．She looked at me and said with a sad look，“Because I'm __29__．”

“But you remind me of an angel（天使），sweet and innocent（纯真的），” I said．

She looked at me and said，“__30__?” I said at once，“Yes，I think you are an angel __31__ is sent to watch over all those people walking by．”

Hearing this，the little girl jumped up．“I am! I'm an angel!” She shouted，with a twinkle（闪耀的光芒）in her __32__．I was moved by the happy girl．I was happy __33__ she was no longer sad．

After that，my life also __34__．I learned how to share both happiness and sadness．Sharing is caring．We give it to others in the same way that people give it to __35__．Remember：you are not alone in the world．

19．--The pop singers ________ when I got to music hall last night．

--What a pity!

A．have left              B．were left              C．had left                  D．left

18．She's got the job she dreamt of，but more ________ than design．

A．in the accident      B．in accident              C．by the accident       D．by accident

17．I ______ go shopping ______ my husband comes back，because I have to look after my baby．

A．will；before        B．will；until           C．won't；until           D．won't；after

16．When was ________ umbrella ________?

A．／；invented       B．the；discovered       C．an；discovered       D．the；invented

15．--Go for a picnic next Sunday，OK?

-- ________．I love getting close to nature．

A．I'm afraid not       B．I think so                C．I believe not           D．Sounds good

14．--Do you remember what ________?

--She has a round face with two big eyes．

A．she likes              B．does she like        C．is she like               D．she is like

13．The newly-built zoo can ________ a clean and safe place for the animals．

A．provide               B．improve               C．keep                      D．save

12．--There are many things we can do about our environment．

       -- ________?

A．What like                                               B．What would you like

C．What look after                                         D．Like what

11．--I just found a video cassette on my desk．Whose cassette is this?

--Oh，that ________ be John's．He's been looking for the cassette for an hour．He will be so thankful that you found it．

A．must                   B．might                  C．may                       D．can't