1 . He just arrived ____.   
事情一发生，他恰好就到了。

2 . Once trained, you are sure to win the challenge. (变为复合句)
→________, you are sure to win the challenge.

3 . ________, I have a pain in my back.
我每次感冒, 背就疼。

4 . ________, we can tell everyone else.
既然孩子们已经知道结果了, 我们就可以告诉其他人了。

5 . He fell in love with you the moment he saw you.(同义句转换)
(1) ________. (用as soon as改写)
(2) ________. (用以-ly结尾的连词改写)

6 . If________, this old temple will be rebuilt.
如果可能/有必要，这座古庙将被重建。

7 . ________ , we must fulfill it in time.
不管任务有多难，我们都必须按时完成。

8 . I have as much confidence in you ________ in him.
我对他有信心, 对你也有信心。

9 . ________, I met her.
我在上班的路上遇见了她。

10 . ________ in a supermarket, you will be punished.
一旦你在超市偷东西被抓住，你就会受到惩罚。