Nowadays, a lot of important inventions (1- carry out)-. by scientists (2- work) -.for large industrial firms. However, there (3- be)-. still
Nowadays, a lot of important inventions (1- carry out)….. by scientists (2- work) …..for large industrial firms. However, there (3- be)….. still opportunities for other people (4- invent)….. various things. In Britain, there is a weekly TV program which (5- attempt)….. to show all the devices which people (6- invent )….. recently. The people (7- … Đọc tiếp