Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars are continuously alive the life of the ship.

We are waiting for Li Mei to ______ us a good story.

（）are web sites that search the web for occurrences of a specified word or phrase.

are web sites that search the web for occurrences of a specified word or phrasE.

______ are web sites that search the web for occurrences of a specified word or phrase.

Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars are continuously alive（） the life of the ship.

Speak A: Did you have a good crossing?　　Speak B: ______ . It was really rough and I am not a good sailor.

Practice 2New York Student Housing Center　　We have got what students are looking for in off-campus housing. Come and see our houses—safe, affordable and convenient for living. All the facilities that you are concerned about are available, such as cable TV, Internet access, fully furnished and ready for moving in! We also have comfortable apartments or rooms for roommate share. The rent may be paid weekly, monthly or yearly. Contact us at 800-298-3579 if you are interested.

Conditions for crossing a rough bar are usually best at （）.

Traveling can be fun and easy. A vacation trip to another country is especially enjoyable when the traveling conditions are good. Good traveling conditions (11) a comfortable mode of transportation，knowledge of the country's language，familiarity (12) the customs and habits of the people in the country，and pleasant traveling companions. All of US have had nice trips (13) this.Most of us have also had trips that we would (14) to forget. Many conditions Can produce a bad traveling experience. For example，if the four conditions listed above do not exist，we will probably have a bad experience， (15) at best a difficult (16) . Students who travel to a foreign country to study often have a difficult trip. They usually travel alone. They don't know the language of the new country (17) . They often arrive in the new country (18) a huge international airport. From the airport，they need to find their way to their school. Maybe they need to change airplanes，to take a bus，a train，or a taxi. They need to do all this in a country (19) everything is unfamiliar. Later，after the experiences are over，they Can laugh. But at the (20) ，they feel terrible.

【参考范例九】Education Are you with a job or are you studying?

In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.