Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
China is playing an important role in the world. That’s Laura has come to study Chinese.
Astronauts in a spaceship have to _______weightless conditions _______are quite different from ______are on the earth.
— Can you answer my question? --Sorry, I____________ . Would you repeat that question?
Mary has lived in China for 3 years, so she ______ to the life here.
There was plenty of time. She ________ .