how to / teaching them / use / lakes / the computer / several / weeks

你公司经营山地自行车，请写一封推销信，包括以下内容： 

?告知贵品牌山地自行车性能优良，轻巧、坚固、耐用。 

?告知最近的促销活动，可试用10天，不满意全额退款。月底前订购，给予10%折扣。 

 ?订购后，保证72小时内送货上门。

You are Section "B" Leader. Your section moved to a new office. However, the maintenance department within your organization has failed to carry out certain work. Write a memo to the maintenance department complaining about the following problems and asking for action ：

?a metal bookshelf hasn't been fixed properly

?the fire door sticks

?the bottom drawer of the filing cabinet was damaged in the move

"I paid the bill two months ago" , the customer wrote.

Remember; No one will be admitted without a company identification card.

When I returned, I saw that Abigail, our cat was eating a fish.

Yes I think I would like a new car like that.

The ability to communicate is essential, the ability to communicate on the job is critical.

One of the blueprints ( which appears on page 7 shows the internal structure of the engine clearly.

Mary promised to submit a detailed comprehensive report by Friday.

The report that Mrs. Leslie submitted, has been lost.