求各位英語大神解答41-43題,詳細解釋,謝謝

題目：

求各位英語大神解答41-43題,詳細解釋,謝謝
Although it was only autumn,everything outside was covered in white．Unexpectedly, we were hit with a big 36 storm and no one was prepared． We have two apple trees in our backyard．Prana,our dog,loves 37．When she goes outside, she usually grabs a dirty apple from the ground to eat later on．Prana knows that when she brings her treasure into the house,I am not always 38,so she tries to hide it from me．It is our little game． On the day that it snowed too 39 in the season,Prana went outside and I 40 her from the window．I noticed that she was 41 lots of holes and bringing out the apples buried beneath the snow．She seemed to be 42 to dig up as many apples as she could． But when she came back inside,she brought back only one．About five minutes later, I looked outside．The yard was completely 43 with birds．Prana had dug up all those apples for her bird friends to eat．She knew that they hadn’t prepared 44 food for the early winter. This beautiful act of unconditional love from a(an) 45 taught me what real kindness was． 36．A．sand B．snow C．thunder D．rain 37．A．apples B．winter C．games D．bones 38．A．clear B．correct C．happy D．surprised 39．A．1ate B．beautifully C．1ightly D．early 40．A．met B．watched C．called D．heard 41．A．hiding B．finding C．cutting D．digging 42．A．determined B．suitable C．nervous D．encouraged 43．A．hit B．marked C．covered D．taken 44．A．delicious B．enough C．1ess D．extra 45．A．teacher B．friend C．animal D．bird

解答：

41 digging 42 determined 43 covered