重点讲解：
1. out of 缺乏；没有；
例句：I can't find the sugar — and we're out of milk.
我找不到糖——而且我们也没牛奶了。
2. how about （用于引出相关的新话题）怎么样，如何；
例句：You want Jeannie to make the appointment for you? How about the end of next week?
你想让珍妮帮你预约吗？下周末怎么样？
3. be going to do sth. 想要（做…）；决定（做…）；
例句：I'm going to cut the grass.
我要去修剪草坪了。
4. pick up 拿起；获得；
例句：I promised to pick up a gift for my girlfriend, but I totally dropped the ball.
我答应给我女友买个礼物的，结果完全被我忘了。
