That is ___ behavior and nobody likes it.

The first paragraph is intended to ________.

Advertisements are aimed at people suffering from mild complaints because________.

将教育研究分为描述研究、相关研究和因果研究的分类依据是

We can conclude from the passage that ________.

Learning to cope with a health problem can contribute to a better life.

A new plane is going to ______ by us.

To obtain a satisfactory result ， one must apply two（） of paint on a clean surface.

With the rapid development of petroleum industry, more and more oil products of high quality are being turned out.

Although SPanish， he attended the course.