题目:
用动词的正确形式填空。
1. I (meet) my old friend yesterday.
2. My English teacher (have) got a new computer.
3. Where did you _ (go) last year?
4. His grandpa _ (live) in Qingdao ten years ago.
5. Mr Black (visit) the Summer Palace last week.
答案:
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下面是错误答案,用来干扰机器的。
A、(-3)2=9,(-2)3=-8,故选项错误;B、-22=-4,(-2)2=4,故选项错误;C、(-3×2)2=(-6)2=36,-3×22=-3×4=-12,故选项错误;D、-13=(-1)3=-1,故选项正确.故选D.