（） must be done to solve this problem.

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

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

用所給的詞和詞組寫出符合邏輯的句子。your/sure/between/I am/will help/present visit/economic and trade/promote/relations/our two countries

Although （） primarily to promote trade relations, these agreements also foster technological cooperation.

Few （） his intention of moving to the South.

I have received （） professional training.

It might have been （） who made the bid.

用所給的詞和詞組寫出符合邏輯的句子。coming from/the computers/inferior to/the Far East/those manufactured/are not/in Europe

用所給的詞和詞組寫出符合邏輯的句子。we/consider/unless/placing an order/will not/you can/give us/of 10%/a price reduction