【单选题】As we all know, planting trees is good for the environment. Our class will go to the Sun Island tomorrow. As soon as we ______ there, we'll begin to plant trees.
【简答题】根据对话内容,完成下面短文,使其意思完整,首字母已给出。 Bill: We'll have a school concert this Sunday. I can only play the drums. Mike: l can play the piano and the guitar, but I can't sing. Who can sing? Jack: I can sing and ...