（）has 3 parts: warehouse, high story shelf and stacker.

（）has 3 specific points: fixed port, fixed line and announcing shipping time in advance. 出头教育: The central theatre has a seating of more than 3,000 people. If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation equal to: The country has already sent up 3 unmanned spacecraft, the most recent at the end of last March. Is this the first time you _____ Beijing—-No. But it has been 3 years since I last here. Is this the first time that you ______ Nanchang—No. But it has been 3 years since I last ____ here. According to Hairston, Ruszkiewicz and Friend, “The ability to write has become even more important […] during the past decade” (3). One advantage of G3 mobiles is that it has become a very useful tool for________daily communication.[ ] Our school has the parents’ meeting _____ the afternoon of October 10th, and it starts _______3p.m. David has tried 3 times to repair the clock.He will try__________time after having a rest. Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher. The city of Wuxi has ______ history of more than 3,000 years and it will keep its glory and have _______ bright future. Mr Li has been in hospital for 3 days.-Oh，really.I________.________to see him after work.[ ] is, are, has, have, having The average British family, which ________ smaller and richer than 50 years ago, ________ 3. 6 members. - I can hardly believe my eyes.Is that you,Gina?- Yes,It has been nearly 3 years （） we graduated. Shanghai has hosted2010world Expo The world Expo has longhistory but it has never been held in Asia （）their country has plenty of oil, ours has none. 3.The company has appointed more than one hundred agents in various important cities in over 50 countries throughout the world. : It has enabled her to start a new career.|It has helped her make new friends.|It has made her happy and energetic.|It has renewed her passion for life. The Internet has ________ abundant information ________ has not been evaluated for accuracy.