完形填空
阅读下面短文，从短文后各题所给的四个选项（A.B.C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
On a trip to California, my family stopped for lunch. As we walked toward the entrance to the restaurant, a man, with a     beard and dirty hair, jumped up from a bench outside the restaurant and opened the door for us．Regardless of his       , he greeted us in a friendly way．
Once inside, my daughters whispered, "Mom, he         ." After we ordered our lunch, I explained, telling the kids to look          the dirt．We then watched other customers approach the restaurant but many        him. Seeing this rudeness truly upset me. The day I became a mother, I had determined to set a good          to my children. Yet sometimes when things didn't go right, being a good example was         . When our meal arrived, I realized I had left the car-sick pills in the truck. With the windiest trip ahead, the kids needed them, so I          myself from the meal and went to get them．
Just then, the "doorman" was opening the door for a couple. They rushed past him without even acknowledging his           . Letting them in first, I said a loud "thank you" to him as I         ．
When I returned, we talked a bit．He said he was not allowed inside           he purchased food．I went back and told my family his          .Then I asked our waitress to add one soup and sandwich．
The kids looked            as we had already eaten, but when I said the order was for the "doorman" , they smiled．When it was time to          our trip, I found the "doorman" enjoying his meal．Upon seeing me, he stood up and thanked me heartily. He then            out his hand for a handshake and I gratefully accepted. I suddenly noticed the tears in his eyes—tears of         .What happened next drew great astonishment: I gave the " doorman" a         . He pulled away, with tears ________ down his face．
Back in truck, I fell into deep thought. While we can't choose many things in life, we can choose when to show gratitude. I said thanks to a man who had           held open a door for me, and also said thanks for that         to teach my children by example．

A．clean B．pretty C．messy D．bright

A．service B．appearance C．state D．attitude

A．smells B．smokes C．signs D．smiles

A．around B．into C．over D．beyond

A．refused B．ignored C．missed D．hated

A．example B．target C．record D．rule

A．accessible B．tough C．awkward D．stressful

A．prevented B．refreshed C．forgave D．excused

A．company B．challenge C．presence D．attack

A．exited B．approached C．marched D．quitted

A．before B．since C．though D．unless

A．desire B．deed C．story D．demand

A．puzzled B．excited C．concerned D．bored

A．make B．start C．take D．continue

A．washed B．reached C．raised D．waved

A．approval B．sympathy C．gratitude D．affection

A．clap B．nod C．lift D．hug

A．streaming B．rushing C．slipping D．breaking

A．firmly B．constantly C．simply D．politely

A．opportunity B．journey C．wisdom D．community