... thought was given, but all was not approved.

A. A large number of  B. A great deal of  C. Many of  D. Many

A ... is a person who searches for valuable minerals.

A. prospect  B. prospects  C. prospector  D. prospective

B

Double - stars orbit ...

A. each to other  B. each other  C. each other one  D. other each one

A

D

Green and magenta ... are complementary colours located opposite each other on the colour wheel, ...

A. and blue and yellow so  B. and too blue and yellow

C. and so blue and yellow do  D. and so are blue and yellow

A vacuum will neither conduct heat nor ...

A. transmit sound waves  B. transmitting sound waves  

C. sound waves are transmitted  D. the transmission of sound waves

A

Often a team of engineers is ...

A. work on one project  B. on one project work  C. working on one project  D. to work on one project

C

I was shocked ... the news of the crashed plane.

A. about  B. with  C. of  D. at

I was shocked ... the news of the crashed plane.

A. about  B. with  C. of  D. at

All the astronauts ... the earth in space capsules are weightless.

A. orbit  B. orbiting  C. orbited  D. are orbiting

D. are orbiting 

D.Called

Our home planet, Earth, resides in a glittering city of stars ... the Milky Way galaxy.

A. call  B. calling  C. to call  D. called

Hailey ... that Mercury was so far away that its parallax angle would be very difficult to determine.

A. realized  B. knew  C. learned  D. promised