1. 用方框内所给单词或短语的适当形式完成下列句子（有一项多余）

over there    sheep    surprise    lie    possible    heavy

1. （1） Female produce one or two lambs at a time.
3. （2） It's for me to work out the problem. It's too hard.
5. （3） As soon as they got to the railway station. it began to rain .
7. （4） The camel kept on the ground.
9. （5） I was at the news about his death.