53．He is a smart boy．He can answer this question         (easy)．

52．In my family, my mother is         (patient)than my father．

51．What’s happening? It’s too         (noise)outside．

50．I found a watch on the playground, but I don’t know the         (own)of it．

49．You shouldn’t wear         (ear)because you are still a student．

48．He believes his children can         (success)in the future．

47．Don’t         (worry)about your lessons．Let me help you．

46．A：Can you         (pronunciation)this word?    B：Sorry, I can’t, either．

45．They have made a d         to get to the top of the mountain．

五、用所给单词的适当形式填空。(10分)

44．If you want to take something from your friend, you must first ask his p        ．