Task 3 Complete the sentences with the following words or phrases. Change the form if necessary. in an efort to charge for assess commit oneself to on hand Our staff are always _________ to help.
【简答题】Earth Day is on April 22nd. People say thanks to the Earth and learn ways to keep the Earth safe and clean. But saving the Earth is not just for grow-ups. Kids are also taking an active part in it. Th...