Поставьте глаголы в активный или пассивный залог.
1.The surgeon (to use) artificial joints.
2.Some operations (to perform) on the open heart yesterday.
3.This textbook (to be) experimental.
4.This book (to read) with great interest by all the students.
1.The surgeon (to use) artificial joints.
2.Some operations (to perform) on the open heart yesterday.
3.This textbook (to be) experimental.
4.This book (to read) with great interest by all the students.
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Answers & Comments
1. Use.
2. Perform.
3. Be.
4. Read.