我们平均每天收到五封电子邮件。
______ we receive five e-mails each day.
副总统的身体状况不佳。
The vice-president is ______ ______ ______ ______ poor health.
老师走进了教室，手里拿着一本书。
The teacher came into the classroom， ______ ______ ______ .
我的英语老师特别强调了那一点。
My English teacher stressed that point ______ ______ .
我出生于一个占地50平方千米的小镇。
I was born in a small town ______ ______ ______ ______ 50 square kilometers.
当你搬到一个新地方，你必须适应当地的风俗。
When you move to a new place, you'll have to ______ ______ the customs there.
这是一个有丰富动植物的岛屿，以前从来没有人踏上过这个岛屿。
This is a new island with numerous plants and animals，and nobody has ever ______ ______ ______ it before.
他的第一目标就是争取晋升为销售经理。
His number one objective is to ______ ______ to the sales manager.
如果你以问题的形式提出请求，听起来就礼貌多了。
You'd sound a lot more polite if you make a request ______ ______ ______ ______ a question.
你很难想象我们在暴雪中步行回家有多困难。
You can't ______ ______ ______ we had ______ ______ in the snowstorm.