1 . My washing machine ________ (repair) this week, so I have to wash my clothes by hand. (所给词的适当形式填空)

2 . Trains are________ (rely), cheap and best for long­distance journeys. (所给词的适当形式填空)

3 . His problems __________ (root) deeply in his childhood experiences. (所给词的适当形式填空)

4 . Picking up her “Lifetime Achievement” award, proud Irene declared she had no plan ______ (retire) from her 36-year-old business. (所给词的适当形式填空)

5 . I will never forget the days ______ we spent together. (用适当的词填空)

6 . So far it ________ (confirm) that the meeting will take place next week. (所给词的适当形式填空)

7 . It _________ (prove) that a balanced diet is good for health. (所给词的适当形式填空)

8 . In spite of all the problems, several of the players produced excellent ________ (perform). (所给词的适当形式填空)

9 . Self-driving is an area _________China and the rest of the world are on the same starting line.(用适当的词填空)

10 . Ordinary soap, ____________ (use) correctly, can deal with bacteria effectively. (所给词的适当形式填空)