Modern China is experiencing a completely new period ________ respect for science and creativity has become the guiding principle of society.
I __________ agree with you yesterday but today I'm sorry.
The lawyer was looking through the documents __________ immigration laws.
A (n) __________ of scientists are looking into the matter and have realized a certain __________ of time is to be spent.
Your face seems __________. I haven't met you here in the old days.
Can you __________ behind after the others have gone and help me clear up?