A new plane is going to ______ by us.

The book must ______ to the library

Xiao Ling works very hard. She ______ by the teachers.

The patient ______ now ______ carefully.

Hamlet ______ by Shakespeare.

Middle School students______ not to smoke.

The teacher, rather than the students, is responsible for this matter.

As early as in the development of agriculture,men discovered how to make alcoholic drinks from grapes and corn.

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

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