用所給的詞和詞組寫出符合邏輯的句子。we will/supply/be unable to/the goods/we receive/payment/unless/in advance

（） must be done to solve this problem.

She is unhappy with （） of the order.

Because of the construction decline, （） housing is available.

用所給的詞和詞組寫出符合邏輯的句子。inform us/please/at once/so that/of your telex number/we will/reply to/be able to/your query

I have received （） professional training.

用所給的詞和詞組寫出符合邏輯的句子。at this stage/removed from/of the process/it is/that/any products/are/the assembly line/of inferior quality

The importer will submit references if these （） given in the preliminary negotiations.

Only one of the job applicants can keyboard as fast as （）.

用所給的詞和詞組寫出符合邏輯的句子。a number of/have been/smoking/received from/requests/employees/in offices/asking that/be banned