Thanks to the environment－protection policy,our living conditions have been greatly________.

When the fire started, Tom was to help all the children out. He is both brave and smart.

She set off at 9 a.mand ____ the airport an hour later

Would you like some juice or coffee— is OK. I really don’t care.

Hello Mum， Are you still on Lushan Mountain—Oh， no. We are back home. We __________ a really good journey.