4．--- do you go to visit your grandparents?---Once a week．( )A．How manyB．How oftenC．How oldD．How——青夏教育精英家教网——

4．---____ do you go to visit your grandparents？
---Once a week．（　　）

3．There are students in our school．（　　）

2．I wonder they can remember so many difficult words in such a short time．（　　）

1．---Shall we go on skating？
---Yes， I prefer to have a rest．（　　）

20．-______ will it take you to finish the task？
-About a week．（　　）

19．______ Anna's parents are teachers and they work in the same school．（　　）

18．We can't do ______ for our parents，but we should help them a little when we are free．（　　）

17．Don't go __________ the street when the traffic lights are red．（　　）

16．Will your father be angry ___ you if he finds it hard to stop you from playing football after school？（　　）

15．Florence Nightingale was well-known _____ a nurse in England _____ her kindness to the sick and wounded soldiers．（　　）

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