1.see, went 2.speak, taught 3.eat, made 4.ride, was, gave
1. Millions of people have bought today's special edition.
Today's special edition has been bought by millions of people.
2. They will open a new online shop this week.
A new online shop will be opened this week.
3. My students have written some of the best essays.
Some of the best essays have been written by my students.
4. Everybody can visit the exhibition from 9 am to 4 pm.
The exhibition can be visited from 9 a.m. to 4 p.m.
5. Hundreds of millions of people use social networks.
Social networks are used by hundreds of millions of people.
6. We will finish the work by noon.
The work will be finished by us by noon.
ответ: 1) see; went 2) speak; taught 3) eat; made
4) ride; was; gave
Объяснение: