7．-Are Mr．and Mrs．White living alone in the house?-Yes．They have three sons.but of them live ——青夏教育精英家教网——

7．-Are Mr．and Mrs．White living alone in the house？
-Yes．They have three sons，but ______ of them live with their parents．（　　）

6．-When does a lion begin to eat meat？
-I have no idea．Maybe ______ a few months old．（　　）

5．-How nice the building is!What is it for？
-It ______ be a hotel．But I'm not sure．（　　）

4．The sentence structure of"The bird is singing happily．"is ______．（　　）

3．The doctor advised Mr．Chen ______ too much meat to lose some weight．（　　）

2．All the villagers were sleeping in their houses ______ the mudslides（泥石流） hit the village．（　　）

1．The excited woman ______ quickly when she saw her son come back safely．（　　）

20．-Why are wetlands so important to wildlife？
-Because it can ______ them with food and cover．（　　）

19．-Millie，there are so many people waiting outside the bookshop．It's boring．
-Be more ______!The famous writer himself will come here today．（　　）

18．-What do you think of the nature reserve you visited last weekend？
-It's great．It is ______ ideal home for wildlife．（　　）

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