－ What does the sign over there read － “No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area”

Which do you think is ________, health or wealth？

并行工程的主要目标是____。

与顺序工程相比，并行工程____。

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

Either he or I ______to the airport.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Hurry up, or you ______ catch the train.

并行工程的主要目标是____。

与顺序工程相比，并行工程____。

戴维斯等学者指出，企业目标可分为主要目标、并行目标、次要目标。其中，________由企业性质决定，是贡献给顾客的目标。