单项选择题
A．New trees are not looked after properly. B．Many trees have been cut down by man. C．Man has not paid enough attention to planting trees. D．All of the abov
A．exciting B．disappointing C．surprising D．frightening
A．celebrate the three main events in life, but in different ways B．are not affected by these three events C．celebrate these three events in exactly the same way D．are the same