单项选择题
The barman's wife didn't go to bed （）
A．until two o'clock in the morning B．because she wasn't sleepy at all C．because she was busy with her children D．because her husband hadn't finished working
单项选择题 The passage tells us that there is no difference between, the flying fox and the ordinary hat in （）
单项选择题 How do flying foxes care for the young ones （）
单项选择题 At daybreak every day flying foxes begin to （）
