3. Let's begin our meeting __________everyone is here.

2. He began to work __________ he got there.

1. Dr. Bethune (白求恩) came to China __________ he was fifty.

18. As (So) long as you work hard, you can catch up with the other classmates.

17. No matter when you come, you are warmly welcome.

16. India is much bigger than Japan.

15. We must do everything as he tells us.

14. He was so excited that he couldn't fall asleep.

13. Now that you've come, you'd better have dinner with us.

12. I will find her wherever she may be.