根据中文意义完成下列句子(每空一词)

现在他渴望成为一名飞行员。

Now he _____ _____ ______ becoming a pilot.

根据中文意义完成下列句子(每空一词)

种了许多树木，一来是可以保持空气清新，二来，可以使城镇看起来更漂亮。

More trees must be planted _____ ______ ______ they keep air fresh, ______ ______ they make towns and cities look more beautiful.

根据中文意义完成下列句子(每空一词)

失业永远不是个令人满意的题目。

It is never a ______ topic to be ______ ______ ______.

根据中文意义完成下列句子(每空一词)

这对老俩口结婚已经50年了。

It is 50 years ______ that old couple ______ ______.

根据中文意义完成下列句子(每空一词)

她靠洗衣服为生。

She ______ ______ living by washing clothes.

完成下列句子

_______ (事实上)，many people have a disability.

完成下列句子，使句意通顺

This is ________ book I want.(这正是我所需要的那本书)

根据汉语提示完成下列句子。

Everyone seems to drop waste paper in the street and no one ________ (把它清除掉) at the end of the day.

根据汉语提示完成下列句子。

________ (一般来说) newspapers and textbooks follow the American way of spelling.

根据汉语提示完成下列句子。

—________ (你认为是什么) has made him so upset these days?

—Well, the teacher's failing him in the exam again.