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E-mail, as well as telephones, _______an important part in our daily communication.      

(2013·高考湖南卷)The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them.

(2013·高考江蘇卷)Generally，students’ inner motivation with high expectations from others________essential to their development.

(2013·高考福建卷)The famous musician，as well as his students，________ to perform at the opening ceremony of the 2012 Taipei Flower Expo.

The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.

The young ________ the hope of our country.

A few of the young trees in Tangsa can be cut each year for firewood.The rest ________ to grow even taller.

Playing football and watching TV ________ both interesting.

Either the Greek or the Australian ________ the boxing competition.

.Nothing but one desk and six chairs ________ in the room.