Очень составьте 5 во к каждому из предложений:
I checked up on my brother to make sure he was doing his homework.
There's a possibility that the library will be closed when you get there.​

history of cinema began in the 19th century. although the picture as a way of capturing still images appeared in the first half of the 19th century, to become possible for the process of shooting and playback of motion required to photographing could take place with a fast shutter speed. but after the appearance of the relevant types of emulsion in the 70-ies of the 19 century, the film did not appear immediately. the fact that the us now seems obvious, inventors and pioneers of cinema understood not at once. were made dozens of attempts to create a system of recording and playback of moving images, in which took part famous эдиссон, but his system was found to be inconvenient, as calculated only on the individual viewing, and has not allowed эдиссону succeed.as a result, recognized as inventors of cinema was the french, the brothers louis and auguste the brothers lumiere. equipment lumiere was very comfortable, with it you can easily remove and show movies on the big screen, that predetermined success of their inventions. "cinema" (or "cinematograph") - it was called device lumiere.