阅读下面短文，掌握其大意，然后从1—20每题所给的四个选项中，选出一个最佳答案。
On a cold November afternoon, my mother and I were walking home from a pizza store. We were dressed warmly and    ________     with the rented video , I was feeling a little ________ , as I was carrying our shopping bags of snacks and the  ________   .They were so heavy that I decided to   ________  some things. So I started to walk towards the garbage can(垃圾筒) ________   I noticed a poor man walking his bike out of the restaurant in front of us. He _________ a paper bag with his dirty hand. He headed over to another nearby garbage can and started ________ it.
I suddenly felt very  ________  because I was about to do away with a new drink just  ________  it was heavy. I knew this man would take all he could ________  , so I walked up to him and  ________  the drink and some snacks to him. The man looked up ________  and took what I gave him. A huge smile spread ________ his face and this caused me to feel indescribable ________ . I felt like I  ________  be happier with myself, but then he said, “This is my son’s lucky day!”
With that, he ________  me happily and started off on his bike. I even heard him ________  a song as he rode away. I got a warm feeling inside and I knew I had done something good, for the man and his family. I now understand what is   ________   by the saying “Giving is getting”.
Since then, every time I have the    ________ to do something nice, the image of the man’s happiness caused by my small gift appears in my mind. This is the ________  of charity.

A．equipped B．covered C．done D．offered

A．upset B．happy C．tired D．excited

A．video B．books C．pizza D．clothes

A．send off B．throw away C．put away D．send out

A．after B．when C．before D．while

A．owned B．presented C．held D．sought

A．going into B．finding out C．looking through D．working out

A．stupid B．guilty C．disappointed D．happy

A．since B．until C．because D．when

A．get B．search C．hear D．see

A．dropped B．kept C．turned D．handed

A．sadly B．coldly C．thankfully D．patiently

A．in B．across C．by D．through

A．regret B．satisfaction C．failure D．curiosity

A．couldn’t B．shouldn’t C．needn’t D．mustn’t

A．smiled B．told C．saw D．thanked

A．singing B．whispering C．listening D．making

A．referred B．said C．meant D．spoken

A．time B．chance C．idea D．effort

A．power B．effect C．result D．mystery