在工程项目管理组织结构中,管理目标与计划的制订者阶层是()。
A.操作层
B.决策层
C.协调层
D.执行层
参考答案:B
He ______. It's a shame my mobile phone was power-off.
A.ought to call me
B.could have called me
C.may be calling me
D.might call me
May Day holiday is coming. My family are discussing w 1 to do for it. We are planning to travel a 2 . We want to go to Singapore because my dad has g 3 to Singapore for a meeting. He has b 4 there twice. It’s a nice and clean c 5 . We will f 6 there next Monday. It will t__7___ us about two hours to go there by air. The weather there is very good all year r 8 . We will visit many p 9 of interest in Singapore . I think we will be happy t 10 the whole trip.