I TAKE PART ………….. MOST YOUTH ACTIVITIES OF MY SCHOOL.A. IN B. OF...

15. I take part ………….. most youth activities of my school.

A. in

B. of

C. on

D. at

IV/ Put the correct forrms of the verbs.

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 – organize) the program receive information about

700 inventions per year. New ideas can (8 – develop) by private inventors. However, it is important (9 – consider) these

questions : Will it work? Will it (10 – want)? Is it new?

V/ Use a suitable preposition in each sentence.