单项选择题
A．were too sorry to leave B．were both unwilling to say goodbye to C．felt sorry when they were in D．didn’t know that they had to leave
A．Because the house was old, the family were troubled by lots of mice and spiders. B．The children did not live in the house because they were afraid of the spiders. C．The trouble was that there was no water supply in the old house. D．Spiders and mice are a part of the family.
A．When you are awake. B．When you fall into deep sleep. C．The moment you go to sleep. D．when you lie in be