33-34. As English is spoken by economic powers, it become so popular. (not) Were English __________________________________ economic powers, it wouldnt be so popular. VIII. Combine each pair of sentence to make a complete sentence using A RELATIVE PRONOUN. 35-36. A telescope is a piece of equipment. Astronomers use it to observe stars. _______________________________________________________________________________________ 37-38. The place has a microgravity environment. Astronauts live and conduct research here. _______________________________________________________________________________________ 39-40. Mr Minh is a professor in Space Institute. His new invention is a solar powered two-wheel car. _______________________________________________________________________________________