39. We need to do some research to _______ the answer.

　　A. find out B. look out C. hand out D. take out

　　答案：A.

　　【解析】动词短语语义辨析。首先明确选项中动词短语的意思，A：查明;B：当心;C：分发;D：取出;根据语境推测句意是“我们需要做一些调查来查明答案”，由此判断句子中缺少短语：查明，故答案为A.

　　2015年中考

　　28. There’s an important football match today. I ________ miss it.

　　A. may B. can’t C. must D. needn’t

　　【解析】本题考查的是情态动词的意义和用法，may是可能的意思，can't是不能的意思，must是一定的意思，needn't是不必的意思，从句子意思可以知道，因为比赛很重要，所以我不能错过，故选B.

　　31. I ________ the shops. Can I get you anything?

　　A. go to B. went to C. have gone to D. am going to

　　【解析】动词时态的辨析。根据Can I get you anything可知，我打算去购物(还没去)，故用be going to结构表示要打算做某事，故选：D

　　32. Paula is pleased that she ________ her lost watch.

　　A. finds B. found C. has found D. will find

　　【解析】动词时态的辨析。现在完成时态表示过去发生的事情对现在造成的影响和结果.根据事情的结果Paula is pleased可知，宝拉已经找到表了，故用现在完成时态.故选：C

　　34. We’re proud that China ________ stronger and stronger these years.

　　A. will become B. became C. is becoming D. was becoming

　　【解析】动词时态的辨析。根据these years可知，表示的是这些年来一直进行的状态，故用现在进行时态，故选：C.

　　35. This food is free. You don’t have to ________ it.

　　A. look for B. pay for C. ask for D. wait for

　　【解析】考查动词短语辨析。句意：这种食物是免费的，你不必付钱。A. look for寻找; B. pay for为……而付钱; C. ask for 请求，要求; D. wait for等候。根据This food is free可知，既然食物是免费的，当然不用付钱，根据句意故选B

　　36. Grace ________ this game every time we play.

　　A. wins B. won C. will win D. has won

　　【解析】句意：格蕾丝每次玩游戏都赢。A. wins赢，是一般现在时，表示表示经常性的行为或存在的状态; B. won是一般过去时，表示过去发生的动作;C. will win是一般将来时，表示动作将要发生。D. has won是现在完成时，表示过去发生的动作对现在造成的影响或结果。根据every time we play可知，这里指经常性的动作，所以用一般现在时。故选A。

　　37. I saw Jeff in the park. He ________ on the grass and reading a book.

　　A. sits B. sat C. is sitting D. was sitting

　　【解析】动词时态的辨析。根据I saw Jeff in the park可知，叙述的是过去的事情;再根据reading a book可知，描述他正在做的事情，故用过去进行时态，故选：D

　　38. Everybody ________ deeply after they heard the story. (责任编辑：IT信息技术民工)