1 . ______(examine) once every two years, whether it is a car, a bus or a lorry, is the rule that all drivers must obey in our country. (所给词的适当形式填空)

4 . We must do what we can to prevent the rivers from __________(pollute) by factories. (所给词的适当形式填空)

5 . ______ (equip) with new scientific farming methods enables Chinese farmers to use less farmland to produce more grains. (所给词的适当形式填空)

6 . I am looking forward to ________________ (给予机会) to participate in the activity. (give) (根据汉语提示完成句子)

7 . His ________ (admit) to that famous university surprised us all for he was absent from school for a whole year. (所给词的适当形式填空)

8 . I appreciate ________ (give) the opportunity to join in the activity. (所给词的适当形式填空)

9 . The escalator in the shopping mall won’t be put to use before ________ (repair). (所给词的适当形式填空)

10 . The foreign friends you referred to are looking forward to ________ (show) around your university. （所给词的适当形式填空）