PMI(美国项目管理学会)人才三角重点关注、、管理3个关键技能
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RVSM空域运行飞行组应大约每小时,对__进行交叉检查。二者之间的差值最大不得超过__或__
Canyoutellmewhen__back?()
A. will he be
B. does he come
C. he will be
D. did he come
Youtalkasifyou__there()
A. were really
B. has really been
C. had really been
D. would really be
Iwasbusyyesterday,otherwiseI__yourbirthdayparty()
A. attended
B. had attended
C. would attend
D. would have attended