1 . On Monday mornings it usually takes me an hour to drive to work although the actual ________ (distant) is only 10 miles. (所给词的适当形式填空)

2 . Books and pens are important ________ (necessary). (所给词的适当形式填空)

3 . He ________ (aim) his gun at the target and fired. (所给词的适当形式填空)

4 . Many teenagers surfing the Internet are ________ (addict) to computer games. (所给词的适当形式填空)

5 . It is very convenient ________ (travel) in London by underground. (所给词的适当形式填空)

6 . Livemocha. com is a free website where visitors can not just learn ________ (vary) languages but also chat online. (所给词的适当形式填空)

7 . This restaurant has become popular for its wide range ________ foods that suit all tastes and pockets. (用适当的词填空)

8 . After the supper, we usually have happy ________ (chat) with our neighbors. (所给词的适当形式填空)

10 . 为了赶上早班高铁，们起床很早。
________________, we got up very early.