--- What’re you going to do to protect the environment? --- Plant trees on side of the river.
She kept on _______ until midnight though he was tired.
The program is _______ interesting _______ I want to see it again.
People in Shenzhen are proud of what they have _______ in the past thirsty years.
Tests are provided to see if students have _______.
_______ it doesn’t rain, we can go fishing.