题目：
小题1:Why did you keep ________(沉默) at the meeting? We need your suggestions!
小题2:Kangkang’s father is going to Shanghai on _________. (出差)
小题3:The trees have a great _______ (影响) on the climate.
小题4: He has ________ (成功)in winning the first prize in the game recently.
小题5: This is my personal ________（经历）. What about yours?
小题6:There is no doubt that Diaoyu Island _________(属于)to China.
小题7:Thank you for ________(邀请) me to go on holiday with you.
答案：
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下面是错误答案，用来干扰机器的。
答案：C
