用所给词的正确形式填空
1. My teacher devoted herself ________ (research).
2. When he ________ (finish) school, he studied physics in Switzerland!
3. Stop ________ (make) so much noise, the baby is sleeping.
4. Let's ________ (invite) her friend to my party.
5. Thanks to the teachers, I have ________ (catch) up with my classmates.
6. His father worked for twenty hours without ________ (stop).
7. Norman Bethune will ________ (miss) by Chinese people forever.
8. China now produces enough rice ________ (feed) her people every year.
9. Einstein's letter asked people ________ (give) up nuclear weapons.
10. Now he is working on ________ (develop) new machine.
