In order to（）the disease, the first thing we should do is to do research about it and find out a satisfactory cure.
We regret that it is necessary to complain（）the non-delivery of the10，000 tons of sugar under Contract BC-023.
We find （）necessary to stress the importance of making punctual shipment within the validity of the L/C.
I____the operation unless it is absolutely necessary.
Sometimes we find it hard ______ with other.
The cabin was built 50 years ago. I think it’s _____. We have to find another place to live.
纠错Although Clyde is formally from Pennsylvania, he finds it difficult to get used tothe cold winters we are having.
纠错 Although Clyde is formally from Pennsylvania, he finds it difficult to get used to the cold winters we are having .
It is necessary to completely avoid using compound sentences or even simple sentences. We should use coordination sparingly.
I like to____ with the seller when shopping. I find it interesting. （1.0分）
If we sit down and study it in a rational, objective ( ), maybe we could find a way out.
I cannot find my umbrella. I must have______ it on the bus.
To find a job，it is not necessary to supply______．
听力原文：W: This is the third time you have been late this week, Robert. You'll have to do better than that, or I might find it necessary to let you go.
We regret that it is necessary to complain______the non-delivery of the 10,000 tons of sugar under Contract BC-023.
A meager diet may give you health and long life, but it's not much fun—and it might not even be necessary. We may be able to hang on to most of that youthful vigor even if we don't start to diet until old age.
听力原文：M: Excuse me. I'm looking for this book. It's in the list of titles but I couldn't find it on the shelf.
听力原文： I would like to begin by welcoming everybody from the many different countries who have been kind enough to join us today. You are very welcome to the UK and I hope that you find your trip worthwhile- we are certainly grateful for your contribution to this debate. I consider the question of how we harness the potential of technological change—alongside the related question of science, to be the fundamental economic and social challenge of our future. What we do with information technology and how we use it will determine our success industrially and as a society for years to come.
听力原文：I work for quite a small advertising agency, and we set up a team for each new project. My job covers both design and responsibility for leading project teams, currently one on a major advertising campaign. I was totally new to project management when I joined the company, but now I find it fascinating. I'm planning to talk to my line manager about altering the balance and doing more of that. Then the job would be ideal.
Man. I am looking for an apartment with a monthly rent to around two hundred dollars in this neighborhood. Can you give me some advice on that？ Woman: Well, it's rather hard to find anything for less than three hundred dollars around here. Rents are lower in suburbs, but you need transportation if you choose to live there. Question: What do we learn from the conversation？
Knowledge is a comfortable and necessary retreat and______for us in an advanced age; and if we do not plant it while young, it will give us no shade when we grow old.
It is necessary that we must employ determined government action to control pollution.
-- ____.--That’s not necessary.I’m all for it.
-----How do you find your visit to the museum ？ -----I thoroughly enjoyed it, it was ______ than I expected.
