Lesson6 A Spring OutingWhat are they going to do?They’re going to get on the bus.What are they doing now?They are getting on the bus.get getting注意:在重读闭音节中,如果末尾只有一个辅音字母,双写该字母再加-ing. What are they going to do?They are going to climb a mountain.What are they doing now?They are climbing the mountain. climb climbing&n..