Many people are still _____________ by the frontier because it has been particularly important in________ _________________________________ .
举一反三
- Because air pollution has been greatly reduced, this city is still _______ .
- Why is Venice san sinking A: Because people only stop using underground water for industries on the mainland. B: Because people still make use of the underground water for all purposes. C: Because the use of groundwater far industries on the mainland has been stopped. D: Because people do not use the underground water any more.
- Joy Luck Club is an important ____(publish) of Amy Tan, and has been translated into many languages.
- Australia has always been a continent with few people, because most of the continent is______and________.
- The author of the report is well ________ with the problems in the hospital because he has been working there for many years.