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智能题库>大学英语>上篇 第18章 状语从句（选择题）
单选题

1、________ scientists have learned a lot about the universe，there is much we still don’t know.

2、We’ll have a picnic in the park this Sunday ______ it rains or it’s very cold.

3、________ hungry I am，I never seem to be able to finish off this loaf of bread.

4、I haven’t seen Ann for ______ long that I’ve forgotten what she looks like.

5、A man cannot smile like a child, ______ a child smiles with his eyes, while a man smiles with his lips alone.

6、You can see beautiful buildings ______ you go in the city.

7、She overslept and was ______ late that she missed the bus.

8、I will buy the book ______ it costs.

9、You should think it over ______ you ask the teacher about it.

10、Jim was watching TV ______ his mother came home.