He is an old doctor with a lot of ________. But he has never travelled by air before.Taking a plane was quite ________ experience for him this time.

Please refer to the   before you switch on the engine.

Mr. Li doesn’t think that all bad language should be allowed. In his opinion, there are ______ that should be kept up.

 Personally I think the ______ Andrew drew from his simple experiment is not scientific.

 After years of war, the people in that country were eager to live in_________.

In a way it was a(n)______ to know exactly what we were up against.

It’s important for us to use a word or phrase according to the            in language studies.

Nowadays many parents from the countryside cannot afford to educate their children, because the school      are too high.

In those days our primary ______ was to provide people who were trapped in the snowstorm with food and healthcare.

—Can I help you with it?—I appreciate your        , but I can manage it myself.

Confidence is more than just an attitude; it comes from a strong commitment to take_____,   rather than just let life happen.

The plan was so shallow and impractical that no serious _______ was ever made to realize it.

I can’t say which type of tea tastes better. It’s just a（an） ______ of personal preference.

We’ ll need to apply all our           to this job, for it is very important to us all.

The drilling in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental ______ and severe cold.

We will be given a(n)        to ask questions at the end of the lecture.

I enjoyed all his novels with the_____of his last.

Living in a big city has many _____, such as good schools, libraries and convenient traffic.

She had stomach trouble and had to follow _____.

It will take a lot of time and_____ to finish the task on time.