All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

Students or teachers can participate in excursions to lovely beaches around the island at regular ________

_______ it will do us harm or good remains to be seen

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

I had no ______of who I was or what I was going to be.

Data items are added or deleted from the list only at the top of the______．

—Which foreign language are you better at, English or French?—I am sorry I know _______of English and _______of French.

“One or two free admission days at slow times.”“Slow times”here means _____.

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

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Insufficient ______ can cause a processor to work at 50% or even more below its performance potential.

In speed reading, looking at your watch every 5 or 10 minutes ______.