You _______ have a rest. You look so tired.
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Mike,you ______ play with fire.You may burn yourself.
You _______ go swimming before having a shower.
Chengdu is a beautiful place. You _______ come and visit the pada base.
摄像机类型从外型上划分有
A. 枪式摄像机
B. 一体化摄像机
C. 半球摄像机
D. 球形摄像机
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