Complete the sentences with the correct passive form of the verbs. 1) In my opinion more research into the new pills ought to / to do before people started buying them. 2) Their sleep can / to disturb by any noise. 3) I really doubt that wild animals can / to hold in the zoos safely. 4) It is evident that the results of the exams must / to check before they were revealed.​

Доминика12000    1   09.04.2020 15:28    54