1. 选词填空。

at the bottom of, go down, thousands of, be afraid of, look forward to, at the end of

1. （1） They needpeople to finish the work．
3. （2） You can find the museumthe street．It's not far from here．
5. （3） The sun waswhen we went home．
7. （4） Aliceflying in the past．
9. （5） Everyone in our class isvisiting the Great Wall next week．
11. （6） Be careful! There is something strangethe bottle．